I need help with: Technical and Service Support Ask questions and get support for your OnStar servicesOnStar Plans Q&A Get your OnStar plan questions answeredOnStar Guardian App Get your Guardian questions answered and help fellow Guardian usersVehicle Mobile App Find FAQ and support for the myChevrolet, myBuick, myGMC and myCadillac mobile apps
Vehicle Mobile App Find FAQ and support for the myChevrolet, myBuick, myGMC and myCadillac mobile apps
New Topics from OnStar SubscribersMost RecentMost ViewedMost RepliesMost LikesOn Star module I have a 2023 GMC Denali and the Onstar Module stop working over a month now. Took it to the dealership the ordered the part but they have not received or have an ETA on the part since. What is the d...Can't add family member We've tried several invites with no luck. My wife receives the invite email, but only gets as far as the "we don't see a product attached to this account. This is more than a little frustrating. I've...2024 Encore GX Remote Start Hello! I had OEM GM factory Remote Start installed in my 2024 Encore GX in December 2024, complete with two programmed key fobs. It works great, but the option to remote start my vehicle from the M...Can’t add owner acct to my family plan My boyfriend already has the app and an account with OnStar and I recently got OnStar and they had me download the app and I’m the acct owner of my own plan. Me and him would like to be added as part...Onstar Module Needs Replaced I have a 2023 GMC Sierra 1500 Denali that I had to take in for a dealer for them to tell me the OnStar Module needed replaced. My vehicle is over the 36,000 miles so they quoted me close to $750 to f...Telematic Control Module needs replacement, but backordered with no ETA?! UNACCEPTABLE My 2024 Equinox EV 2RS (Purchased brand new in November '24, only 1,568 miles on to-date) is now in the dealership for the third time due to what was thought to be a 12v battery problem. Turns out, i...Remote start option disappeared from my Chevrolet app. I had the remote start option in the my Chevrolet app for a few years, recently it disappeared. Please advise. I have a 2019 Chevy blazer Climate control from app I have a 2025 GMC 1500 Sierra Denial Ultimate and I not sure why I can not control climate controls from my app, I have installed the app updated the app signed back in and still no climate controls ...24 Tahoe Premier Emergency automatic braking doesn't work I only purchased my 24 Tahoe Premier vehicle 3 months ago and I actually am loathing this vehicle, which is sad for it's price and lack of features. It has been in the shop for 4 weeks of the 3 month...Climate control on mobile app has vanished?? Does anyone know how to fix this problem?
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