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...
Our team here does appreciate this feedback, and we have further documented it for internal review. Please know, we are only a private message away if you are currently facing any concerns regarding the mobile app. You can also send us a message if you would like to share any additional feedback moving forward.
Advisor_Helen
It appears the complaints for this have been coming in for more than a quarter of the year. Still OnStar by GM has not added the feature back to the app. I went to use it today and found it missing. No more Bovine Scat. Please push this issue to the top tier and have it added back to the app or more customer will be dumping their GM vehicles and OnStar.