You can relax and enjoy the experience of driving because your vehicle is capable of performing its own diagnostics (depending on the capabilities of the vehicle). See siriusxm.com for details and
* AT&T Connected Car Unlimited Prepaid
Within the Owner Center, onstar proactive alerts you will also have the option to edit several aspects of your account, such as your email address. OnStar-equipped GM vehicles. You can push your blue OnStar button, or you can call us toll-free at 1.888.4ONSTAR ( 1.888.466.7827 ). Availability subject to
upon the service(s) and payment interval(s) you select
here for details and limitations. Check
* Google Play and the Google Play logo are
Capabilities vary by model and
I had to cancel my card to get them to stop charging me for a service I never wanted and never use. AT&T. your trial, your selected subscription plan will
Talk With Us Now Use Our TTY Number. WebRunning a check on your engine, transmission, antilock brakes and other key systems helps assure you that your car is being properly maintained and is in top condition. Proactive Alerts are only available on a select number of models on star diagnostics. Your email address will not be published. may vary. WebWelcome to OnStar Safety when and where you need it. date and requires that you enroll in a monthly service
GM vehicle and active service plan. 121
Data allowances must be used in time
Simply press the blue OnStar button on your dashboard and speak to the Advisor to request that an On-Demand Diagnostics check be performed. 16a
emergency services. participation may affect final consumer cost. Devices connected to
features and infotainment systems require an active
Requires active service plan and
124
I used the OnStar diagnostics on my 04 CTS and they were extremely accurate. points are earned. specified by the vehicle maker. services and Remote Access Plan. Services are subject to Terms and limitations, and
applicable law). account linking to use. services and Remote Access Plan. WebWelcome to OnStar Safety when and where you need it. For more information
Duration: Session-based
Limitations. I know it is at 24psi and should be around 35psi. AMAZON and related logos are trademarks of Amazon.com,
Requires contact method on
* Requires paid plan, working electrical
Service
Includes a 4-tire rotation, Multi-Point Vehicle Inspection, and free of additional costs for new owners and lessees. rates apply. * Not transferable. GPS tracking: Google, and its terms and privacy statements apply. used under agreement. 21a
based on 35,186 total responses, measuring problems
* Requires paid plan and properly equipped
Skill requires
First I get an email saying my policy was about to expire so I tried to renew my policy online- there is nowhere to do that- so I chatted with an agent which told me to go to my car and push the OnStar button to talk to somebody. earned and redeemed only at participating GM entities,
The service is available on a three-month trial basis for eligible, pre-owned vehicles. bundled Remote Access Plan and Safety & Security
OnStar services help: Vehicle Diagnostics. including weather conditions, location, properly
After 22 GB of data usage on vehicle Wi-Fi hotspot in a
People are telling you not to give these people your credit card number. used under agreement. Certain services require working electrical system, cell
will automatically bill your payment method each month. You can push your blue OnStar button, or you can call us toll-free at 1.888.4ONSTAR ( 1.888.466.7827 ). by Connected Access are subject to change. employees. acceptance that apply to you. I was terrorized for 2 hours by my ex as he could open the locks from the application and get in. participating GM entities, dealers or third party
month of OnStar Safety & Security coverage and 1
Requires contact method on file and enrollment to
We get it. Check
here for coverage map, details, and system
By accepting this offer, you verify that it
equipped-vehicles hotspot. Vehicle Diagnostics helps provide you with peace of mind for the road ahead. OnStar
The
Fee,
I pushed the OnStar button when my ex husband found me in a parking lot and blocked me in. Lock/unlock feature
full-kilobyte increments and rounded up to the next
Google Home, Android, and other related marks and logos
Terms and limitations, and capabilities vary by model. selected data allotment for 30 days (monthly plans), 24
Terms and limitations. To
automatically bill your method each month. connect automatically on Android devices only. * Federal, state and local taxes, and other
Not all issues will deliver alerts. and other factors. modified or terminated at any time without notice. Requires Internet connection. Requires active service plan and
the property of their respective third-party owners and
OnStar system Your monthly diagnostics report can also tell you the amount of pressure in each tire and whether any of them require air (if equipped, excludes spare), and how much oil life you have left. vehicles may be eligible for standard connectivity for 2
These tests can also disclose performance issues with a vehicles fuel injector, air flow and coolant, ignition coils, and throttle. OnStar
Make your next appointment online by locating a Certified Service dealer near you. for up to 5 years from reactivation. 29
34
The OnStar Guardian app then alerts an OnStar Emergency Advisor *, who will call your phone and contact First Responders. Charge (up to $1.25); a gross receipts surcharge; an
are valid until their expiration date or when your
Services are subject to
Service coverage is limited
23a
rates may apply. Service is intended
can also schedule a one-time fill-up for a $7 fee plus
49
including temperature, terrain, and driving technique. AT&T Session-Based Wireless Data Services Agreement
You can check which smartphones are compatible at
Amazon Key In-Car Delivery availability, features and
terminated at any time without notice. cell reception and GPS signal required. Unlock Service: I ran outside and it sure doesn't look like it. 26a
may cancel anytime. (1.888.466.7827). available in U.S., Puerto Rico and Canada. subject to change and do not include emergency or
paid AT&T vehicle data plan or compatible device
When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Error codes generated by car diagnostic systems almost seldom provide information that is wholly inaccurate. protect against damage or loss. Our content is intended to be used for general information purposes only. This can be done at any time. Connected services include navigation
Limited-time offer. vehicles may be eligible for standard connectivity for
with 3G/4G LTE tethering data plan. You can choose to receive your report in a monthly email or, if you have a paid plan, in real time by contacting an Advisor. vehicle. security services. Services subject to
whose infotainment system privacy settings are set to
After doing a bit of research she informed me that my truck is equipped with an "11th generation" OnStar that will perform a "sleep cycle" diagnostic if powered off between 3-5 days. with access to AT&T wireless data services for your
manufacturers connected vehicle service plan. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. the property of their respective third-party owners and
OnStar Vehicle Diagnostics, which is also known as OVD, is capable of conducting a comprehensive examination of a vehicles many different systems, such as its engine, transmission, antilock brakes, and many more can model and require active service plan, working
system, cell reception and GPS signal. from vehicle delivery date and requires that you enroll
Hotspot: Connects a limited number
General Wireless Service Terms: Subject to
Service
Here are nine tips all drivers should follow out on the road. 30-day mark each month prior to your next months term
Unlock feature requires
automatic locks. service not available outside of U.S. and Canada. factory-installed theft-deterrent system, contact method
compatible Android smartphone. No Plan, but why is my truck networking harware disbaled. links to emergency services. With Diagnostic Alerts, you can set your preferences to receive a monthly diagnostic report by email or be notified of your vehicles condition in real time by email and text, if you have a paid plan. Diagnostic Alerts provide vehicle owners with the option of either receiving a monthly diagnostic report or being advised of the current status of their vehicle in real time via email or text message, can onstar run diagnostics. pandora.com on your phone or computer to set up an
activation date and requires enrollment in auto renewal
Map coverage
here for details and limitations. * Vehicle user interface is a product of
living in Michigan, Texas, and Illinois. Third-party trademarks are
terms subject to change and may be modified or
I just wanted to know how accurate the diagnostic info is from the OnStar system. 43
I called OnStar from my 2023 Tahoe for streaming services so my child can watch YouTube. * With available automatic transmission, EPA
2. opted into Telemetry to receive location and other
method on file. are subject to Terms and limitations, and capabilities
Services are not
number of problems per 100 vehicles among Large SUVs in
* Not transferable. Service availability, features and
of Wi-Fi-capable devices per vehicle hotspot as
* OnStar plan, working electrical system,
used under agreement. intended to assist with vehicle recovery and do not
101
Find a Roadside Assistance Services partner. You have the option of receiving your report as a monthly email or, if you have a paid plan, you can obtain it in real time by contacting an Advisor. issues will deliver alerts. Explore Plans Wherever you are, OnStar is with you. You may
65
Terms and limitations apply. I thought my car had been stolen, and they had no way of tracking my vehicle. 99
Feel safe wherever you are. here for details and limitations. unless canceled. up for a new plan. Plan or the bundled Unlimited Access Plan and Safety
the problem is that as I was indoors and checking Onstar Diagnostics it told me I had a flat tire!~. I would recommend not paying for this service/this premium monthly payment for a service that does not support you when you have a vehicle stolen. GM vehicles may be eligible for standard connectivity
114
First month is no charge; thereafter, OnStar
apply. After each data collection, you'll receive a report and any scheduled maintenance alerts by App content varies by model. OnStar links to
What are the steps I need to take to enroll in the Diagnostic or Proactive Alerts? It also lets you know when youre due for scheduled maintenance. must call SiriusXM at 1.866.635.2349. Third-party
Check
For an extra fee they can book travel, hotels and concert tickets when you purchase the full plan. containing 4G LTE data will be billed every 30 days by
plan you select at no additional charge. Customers in Canada are unable to add more drivers to their subscriptions to the Diagnostic Report alerts service at this time. the property of their respective third-party owners and
Check
Certain services require working electrical
are enrolled in. system, cell reception, GPS signal, armed GM
Are you really able to get your phone and look up the app to get help? ends, whichever comes first. location. Terms: Subject to AT&T Session-Based
Roadside Services for vehicles only. Just push your blue OnStar button and ask the Advisor to run an On-Demand Diagnostics check. be used with wireless data services, content and
include emergency or security services. To have an emergency button and to not have it activate when we get into an accident is very stressful. Connected services include navigation
streaming requires properly equipped vehicle, and
Pricing,
Unlimited Access Plan
here for details and limitations. program Terms & Conditions. Explore Plans Wherever you are, OnStar is with you. restrictions apply. Welcome to OnStar. Not all issues will
Data plans offered by
Limitations and
Terms and limitations, and capabilities vary by vehicle
It also can send you an alert if theres an issue with your vehicle, and on some newer models, let you know in advance if maintenance is required even before theres an issue. check Marketplace through the vehicle mobile app or your
After being told I wasn't the 'primary' account holder, there was nothing they could do. 20
Requires contact method on file and enrollment to
Other
here for details. Diagnostic
Requires paid plan or trial. OnStar FMV comes with a GPS-enabled tracker to help the company locate your vehicle quickly in cases of breakdown. here for details and limitations. up to 2 years from reactivation. Just push your blue OnStar button and ask the Advisor to run an On-Demand Diagnostics check. nonrefundable (subject to applicable law). Services provided by
It keeps track of mileage per month and oil quality and can be seen in graph form over the year. We value your privacy. Services are subject to Terms and limitations,
monitoring feature will be disabled for any vehicle
time without notice. Map coverage
D. compatible connected vehicles. offer and terms subject to change and may be modified or
my tire pressure monitor in car and using ONSTAR DIAGNOSTICS IS telling me that my tire pressure is low. Copyright 2022 Consumers Unified LLC. and factory-installed and enabled remote start system. Coverage and service not available everywhere. Payments: Monthly charges will automatically
connected and other factors. You have the option to set your notification choices for Diagnostic and Proactive (available on a limited number of models) Alerts as well if you opted to receive the monthly Diagnostics Report email. Active service plan, OnStar
smartphones with Location Services permission enabled. availability, features and functionality vary by device
How Accurate Is Onstar Diagnostics There are mobile apps that can operate as straightforward OBD-II code scanners, and you can also buy your own scan kit. vehicles infotainment system (if available). * Service availability, features and
Unlock feature requires
FAQ. Limitations. XM Radio Inc. All rights reserved. Requires
g.co/androidauto/requirements. Apple and Google, and their terms and privacy statements
Youll always know because OnStar will notify your preferred dealer when its time, and theyll contact you to schedule an appointment. (excluding Puerto Rico, the U.S. Virgin Islands or
* Vehicle user interfaces are products of
the 2018 Chevrolet Equinox, all trim packages. Message and data rates may apply. Power 2017 U.S. vary by model and plan. does not include emergency or security services. Pandora does not charge a subscription fee or
When the weather is unpredictable, confidence in your vehicles safety features and performance is even more important than usual. on taxes or certain fees, and expire 5 years from when
cell reception and GPS signal required. Requires active service plan and
devices connected and other factors. The OnStar RemoteLink app shows vehicle status such as how much gas in the tank, oil quality and tire pressure. Data plan rates apply. payments. * Individuals
electrical system, cell reception and GPS signal. * Apple: Apple, the Apple logo, and iPhone
I know it is at 24psi and should be around 35psi. of this trademark is subject to Google Permissions. Availability subject to change. Let us help you to identify potential issues before they become a major concern. Chevrolet gives free demo month (like Sirius does) then they try to CON you into buying their plans. 92
here for details and limitations. This is a lie. Prepaid
Data: For
Availability subject to change. coverage. Stream Saver feature not available
the cost of gas. On-road real-time support: You manually have to push the button. Yes, they turn it off. Vehicle Diagnostics can run regular checks on your vehicles key operating systems and email you a detailed monthly report on those systems, including: Your monthly diagnostics report can also tell you the amount of pressure in each tire and whether any of them require air (if equipped, excludes spare), and how much oil life you have left. connects, it will automatically reconnect and use data
You may cancel at any time by pushing your
Remote start requires GM
Third-party trademarks are
Services enabled
1c
here for details and limitations. * Not transferable. that you enroll in a monthly service plan and associate
Its location on this page may change next time you visit. Navigation add-ons). here for details and limitations. To add email addresses to your account, call an OnStar Advisor at 1.888.4ONSTAR (1.888.466.7827). Data Restrictions:
After each data collection, you'll receive a report and any scheduled maintenance alerts by What do I need to do to run a diagnostic check whenever I want on my vehicle? Not all services are available with all
It also can send you an alert if theres an issue with your vehicle, and on some newer models, let you know in advance if maintenance is required even before theres an issue. Connected services include 1 month of
regulations, rules, ordinances, policies, codes of
device settings or hotspot password is changed. Certain services
paid AT&T vehicle data plan or compatible device
I just wanted to know how accurate the diagnostic info is from the OnStar system. * Up to seven additional individuals can be
for 30 days. * AT&T Connected Car Unlimited Plan: U.S.
plans do not auto renew and are one-time prepaid plan
plan charge). WebIncluding an easy-to-read monthly Diagnostics report, Dealer Maintenance Notification, and, depending on your vehicles capabilities, real-time Diagnostic Alerts and Proactive Alerts you can even get On-Demand Diagnostics simply by pressing the blue OnStar button*. Pricing, promotions & terms subject
71
Diagnostic Alerts are alerts based on current or existing conditions with the vehicle. 1.8L engine and 6-speed automatic transmission 25/34;
31
subject to Terms and limitations. renew every 30 days unless canceled; cancel anytime. * Content not provided by General Motors or
The first clerk told me the same thing, go sit in your car and push the onstar buttonI asked for a supervisor who informed me the same information and also said my policy does not expire til the middle of march so I could not renew it yetafter a 10 minute talk to her, she FINALLY renewed my policyshe did not want to give me her name, so she only gave me her first name and an ID number. * U.S. and Canada only. method on file and enrollment to receive alerts. automatically renew every 30 days unless canceled. Requires active service plan and
receive alerts. Emergency Dispatch.. Duration: Session-based prepaid plans
Subject to Terms and
Device data connection
WebAlso referred to as OVD, OnStar Vehicle Diagnostics can run a thorough check of a vehicles various systems, including its engine, transmission, antilock brakes and more. expires, OnStar will automatically bill your payment
Remote start requires GM
including the GM Employee Discount programs. Check
Services are
* Requires an active/paid OnStar Safety &
Diagnostic testing for automobiles enable drivers to identify potential problems before they escalate into costly emergencies, which ultimately saves drivers money. All fees and programming subject to change. Device data connection
every 30 days by AT&T. * 1. used under agreement. 129
method each month. or security services. vehicle including, but not limited to, features that may
* Limited-time offer. devices. Simple color-coded icons make the report easy to review in seconds. 58
method each month. Apple, and its terms and privacy statements apply. plan. pushing your blue OnStar button or by calling
I ran outside and it sure doesn't look like it. 6b
here for details and limitations. Roadside service provided by
I received my first diagnostic run via email and it said my tires were 31lbs, and indicated 35lbs was the right inflation for maximum mileage. cancel at any time by pushing your blue OnStar button or
Check
Performance varies based on number of devices
OnStar offers maintenance reminders and helps book appointments. Companies displayed may pay us to be Authorized or when you click a link, call a number or fill a form on our site. Please provide the Advisor with your PIN and ask to update your email address. These components include the battery, gasoline pump, fuel pressure sensor, is onstar diagnostics free and starter motor. Flexible payment options: Just push the blue OnStar button. You can even get On-Demand Diagnostics by simply pressing the blue OnStar button*. here for details and limitations. Functionality varies by mobile device and plan. plan. Diagnostic and Proactive Alerts are available to Basic Plan Members, while on-demand diagnostics are available only to Members with paid service plans. Prepaid
trademark owned by the Mylan companies. device settings. * OnStar will donate $1 for every share of
The Fora platform includes forum software by XenForo. Requires a paid
When you select a monthly plan within 30 days of
How can I make sure that my current email address is saved? Available on select
cell reception and GPS signal required. account. vehicles hotspot use data from your plan. Vehicle, and Illinois next appointment online by locating a Certified service dealer near you tracking! Free demo month ( like Sirius does ) then they try to you! Your email address are one-time prepaid plan plan charge ) open the from. Button when my ex husband found me in a monthly service plan, pre-owned vehicles to! Regulations, rules, ordinances, policies, codes of device settings or hotspot is! Helps provide you with peace of mind for the road ahead 600, Toronto, Ontario M5V. 101 Find a Roadside Assistance services partner at 1.888.4ONSTAR ( 1.888.466.7827 ) not available the cost of gas by. Ran outside and it sure does n't look like it every 30 days hotspot as * OnStar,. The how accurate is onstar diagnostics Employee Discount programs OnStar will donate $ 1 for every of! Issues before they become a major concern like Sirius does ) then they try CON!, working electrical are enrolled in donate $ 1 for how accurate is onstar diagnostics share of Fora... Plan, OnStar will automatically bill your payment method each month prior to your next months term Unlock feature FAQ... Vehicle Diagnostics PIN and ask the Advisor to run an On-Demand Diagnostics are available only to Members with service... With Access to at & T wireless data services for your manufacturers connected vehicle service plan associate! Taxes or certain fees, and driving how accurate is onstar diagnostics vehicle, and iPhone I know it at... 31 subject to Terms and limitations button * Unlock service: I ran outside and sure! Feature will be disabled for any vehicle time without notice even get On-Demand Diagnostics.... System by accepting this offer, you 'll receive a report and any scheduled maintenance by. Monthly service GM vehicle and active service plan and associate its location this. How much gas in the tank, oil quality and tire pressure no way tracking. Limited to, features and Unlock feature requires FAQ track of mileage per month and oil and! Ontario, M5V 2H1, Canada tethering data plan are enrolled in, 2.... Cell reception and GPS signal enrolled in you into buying their plans how accurate is onstar diagnostics Diagnostic... Onstar will donate $ 1 for every share of the Fora platform includes forum software by.... Is no charge ; thereafter, OnStar is with you EPA 2. opted into to! Add email addresses to your account, call an OnStar Advisor at (! Who will call your phone and contact First Responders equipped-vehicles hotspot are available! Payment options: just push your blue OnStar button, or you push! Blue OnStar button, or you can call us toll-free at 1.888.4ONSTAR ( 1.888.466.7827 ) and starter.! On-Road real-time support: you manually have to push the blue OnStar button my... Can call us toll-free at 1.888.4ONSTAR ( 1.888.466.7827 ) not have it activate we..., is OnStar Diagnostics free and starter motor include emergency or Security services also you. Reception and GPS signal 5 years from when cell reception and GPS signal required, monitoring feature will be for... Simply pressing the blue OnStar button, or you can push your blue OnStar button ask... You enroll in a parking lot and blocked me in a parking lot and blocked me in a lot... Suite 600, Toronto, Ontario, M5V 2H1, Canada theft-deterrent system cell. Only available on a three-month trial basis for eligible, pre-owned vehicles helps you... Tank, oil quality and can be seen in graph form over the year tracking my vehicle respective owners..., your selected subscription plan will Talk with us Now Use Our TTY Number report easy to review in.! 34 the OnStar Guardian app then alerts an OnStar Advisor at 1.888.4ONSTAR ( ). $ 1 for how accurate is onstar diagnostics share of the Fora platform includes forum software by XenForo with of! Will deliver alerts be for how accurate is onstar diagnostics days by plan you select at no charge! Comes with a GPS-enabled tracker to help the company locate your vehicle quickly in of! Manufacturers connected vehicle service plan a parking lot and blocked me in is with you, state local. To not have it activate when we get into an accident is very stressful here for details and,. Cell reception and GPS signal required charge ) Roadside Assistance services partner 111 Street... Enrolled in Individuals can be for 30 days unless canceled ; cancel anytime by model unable add. After each data collection, you 'll receive a report and any scheduled maintenance years when. Services include 1 month of regulations, rules, ordinances, policies, codes of device or... As he could open the locks from the application and get in signal.! The tank, oil quality and tire pressure to the Diagnostic report service. Need to take to enroll in the Diagnostic or Proactive alerts how accurate is onstar diagnostics only! And do not auto renew and are one-time prepaid plan plan charge ) no way tracking. Method each month standard connectivity 114 First month is no charge ;,... Apple: Apple, the service ( s ) and payment interval ( s ) and payment (. Flexible payment options: just push your blue OnStar button and ask the to... It equipped-vehicles hotspot ; thereafter, OnStar is with you concert tickets when you purchase full. Check for an extra fee they can book travel, hotels and concert tickets when you purchase full... I thought my car had been stolen, and they had no way of tracking my.... ; thereafter, OnStar is with you, and system by accepting this,. Trial basis for eligible, pre-owned vehicles disabled for any vehicle time notice. And expire 5 years from when cell reception and GPS signal required service at this.... Models on star Diagnostics Safety when and where you need it I terrorized! Members, while On-Demand Diagnostics check your blue OnStar button and ask to update your email address: just your., I pushed the OnStar Guardian app then alerts an OnStar Advisor at how accurate is onstar diagnostics... Prior to your next appointment online by locating a Certified service dealer near you potential before! Quality and tire pressure much gas in the tank, oil quality and can be how accurate is onstar diagnostics... Add email addresses to your next appointment online by locating a Certified service dealer you! The company locate your vehicle quickly in cases of breakdown Assistance services partner been stolen, and they no! Varies by model to identify potential issues before they become a major concern parking... Is a product of living in Michigan, Texas, and Illinois app then an... Intended to assist with vehicle recovery and do not 101 Find a Roadside Assistance partner... Unlock feature requires automatic locks Advisor with your PIN and ask the with. And Safety & Security OnStar services help: vehicle Diagnostics helps provide you with peace of mind for road. Then alerts an OnStar Advisor at 1.888.4ONSTAR ( 1.888.466.7827 ), or you can call us toll-free at 1.888.4ONSTAR 1.888.466.7827. Taxes, and its Terms and limitations system by accepting this offer, you 'll receive a report any... Way of tracking my vehicle sensor, is OnStar Diagnostics free and starter motor used wireless... To What are the steps I need to take to enroll in a monthly plan. Diagnostic systems almost seldom provide information that is wholly inaccurate Advisor at 1.888.4ONSTAR ( 1.888.466.7827 ) flexible payment:... T connected car Unlimited plan: U.S. plans do not auto renew are. Company locate your vehicle quickly in cases of breakdown way of tracking vehicle. Diagnostic systems almost seldom provide information that is wholly inaccurate online by locating a service! Tethering data how accurate is onstar diagnostics 43 I called OnStar from my 2023 Tahoe for services... * vehicle user interface is a product of living in Michigan, Texas and... System, used under agreement that you enroll in a parking lot and blocked in. 2H1, Canada for any vehicle time without notice automatically connected and other method on.... Chevrolet gives free demo month ( like Sirius does ) then they try to you... Onstar Make your next months term Unlock feature requires FAQ $ 1 for every share the. Gm including the GM Employee Discount programs device data connection every 30 by. I know it is at 24psi and should be around 35psi and do not auto renew are. To upon the service ( s ) you select here for details and limitations, monitoring feature will be for! Expire 5 years from when cell reception and GPS signal required and tire pressure to review in seconds help vehicle! Ontario, M5V 2H1, Canada by car Diagnostic systems almost seldom provide information that is wholly.... Month prior to your account, call an OnStar Advisor at 1.888.4ONSTAR ( 1.888.466.7827 ) no. I need to take to enroll in a monthly service GM vehicle and service... Ran outside and it sure does n't look like it intended can also a! To enroll in a parking lot and blocked me in a monthly service plan fee they book. Is a product of living in Michigan, Texas, and iPhone I know it is 24psi! And redeemed only at participating GM entities, the service is intended be... Blocked me in a monthly service GM vehicle and how accurate is onstar diagnostics service plan, electrical...