Forum Discussion
Starlord225
6 months agoNew Contributor
My app is not updating the fuel % and mileage left.
The vehicle fuel and mileage is not updating on my app. I have tried every troubleshooting method posted on the internet and spoken to a few folks at gmc customer service, no luck. it's been li...
TLS
5 months agoNew Contributor II
- Former OnStar Advisor5 months agoNot applicable
You can push your blue OnStar button, call 1.888.4ONSTAR (1.888.466.7827), or refer to your Member card or OnStar monthly diagnostics report for your OnStar account number, @TLS. We remain a private message away for sharing of more details so any further assistance can be explored. Simply click the envelope icon at the top right of your screen to get connected.