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Service Drivers Assist
I bought a 2026 GMC Sierra 1500 Denali in December of 2025. At 200 miles service drivers assist came on and will not turn off. I have owned the truck for 7 months now and all GM will tell me is they are aware of the situation and a fix is coming. I currently do not have lane assist, front sensors, automatic hi beams or cruise control because of this error. i currently have a 70K truck that does not function like it should. Cant sale it because of the driver assist problems that GM wont fix. I have been a loyal GM fan my whole life but after this i will be looking at other options.SColquette6 hours agoPlace Technical and Service SupportTechnical and Service SupportNew Contributor5Views0likes0Comments- 7Views0likes1Comment
When are the Onstar modules shipping to dealers - my dealer.
We just purchased a used 2025 Buick Enclave Avenir. We too have found that our battery will not stay charged overnight. We are just day one into our purchase. The dealer has no idea when this part is available although our dealer did say that he would give us a rental car free of charge. He has no idea how long we will use the rental car. But our new purchase will remain at the dealership. We had no idea there were so many people out there with the same problem. My question is why did the dealer let us leave knowing that this car needed the module. They knew it needed one, knew they did not know when we would ever receive one and they still let us drive away! What have others done as recourse? Is there recourse? Other than a drawn out class action? We will never br made whole. This is fraud!44Views0likes2CommentsOnstar Button not working
Bought a new to me 2025 Traverse, the Onstar button has no light on it and nothing happens when any of the buttons are pushed. I have disconnected the battery to try to get it to reset and that did not work. Any ideas on what is going on or how to fix it?49Views1like4CommentsLocation Alerts
2021 Chevy Tahoe Location alerts stopped working. Tried setting all app permissions Clearing data and cache Uninstall reinstall app Had messaged onstar and the sent a refresh but still not working Location works fine just the alert when going out of set area. Any Ideas????37Views0likes3Comments- 26Views0likes1Comment
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2026 Tahoe Premier Infotainment Suddenly Lost All Apps – No OnStar, Wi-Fi, or Google Services
Hi everyone, I have a 2026 Chevrolet Tahoe Premier, and recently my infotainment system suddenly changed to a very basic screen. Almost all apps disappeared without warning. Current issues: • No apps available (Maps, Google apps, Play Store, etc.) • OnStar is not showing at all • No Wi-Fi or network connectivity option in Settings • Screen only shows basic functions like radio and limited settings • System feels completely offline or like connected services stopped working What confuses me is that my Tahoe Premier does not have an OnStar button, so I’m unsure whether this is normal for some models or if something is wrong with the system. I already tried restarting the vehicle, but the issue is still there. Questions: • Has anyone else experienced this on a 2026 Tahoe Premier? • Is this a software/system issue or connected services problem? • Did a dealership software update or reprogramming fix it? • Is there any way to restore the apps and internet connectivity? Any advice or similar experiences would be greatly appreciated. Thanks!53Views0likes1Comment
Telematics Module Support
🚨 We’re working closely with our dealership service teams to support needed repairs for any customer experiencing issues with the telematics control processor. We know this can take time, and we appreciate your patience.
If you’re experiencing issues with your telematics control processor, please message us privately at OnStar_Support so we can directly assist you with the information available to our team. Your local dealer can provide the most current information regarding diagnostics, repairs, and part availability.
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