Forum Discussion
MyGMC Trailer Light Test
My GMC trailer light test functionality appears to have been removed or lost in the most recent update of the app - March 2025. I use this feature frequently. I called OnStar support today 3/9/2025 a...
A very convenient part of my gmc, especially when your alone and hooking up a trailer. Must be like their motors that they knew about and did nothing until now. This was a selling point for me when I bought my pickup. Think twice now about buying a gmc even though I love my truck.☹️
We know how frustrating it can be to lose convenient features like the trailering features in your myGMC app. Our team will document your feedback for internal review. Please let us know if you had any further feedback, questions or concerns.