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 LikesOnstar 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? Remote Start No Longer Allowing to Set Climate Control Temperature I have a 2024 Chevrolet Silverado 1500RST I updated the app today on my iPhone which has the most recent iOS. When I use the app to remotely start my vehicle it no longer allows me to see or set my ...Climate control removed from app?! When i purchased my truck a few weeks ago (2025 Silverado 1500 RST) I was able to set my climate temperature remotely from the app but it disappeared within the last week and there seems to be no...OnStar Red Light I have a 2025 GMC Hummer Ev and for over 2 months I constantly keep getting a Emergency Call notification and the OnStar Button is red instead of green. I can dismiss the notification on the dash b...WiFi not working WiFi isn’t working in my 23 Chevy Malibu. Wondering if this is a known issue? It was working on Thursday. I talked to onstar and they had to open a ticket because they can’t figure out why it isn’t w...
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Top ContentNo internet connection! Help!WiFi Hotspot, No Connection to InternetMyCadillac - Charge StatusLoginwifi
