Forum Discussion

blschaefer1's avatar
blschaefer1
New Contributor
9 months ago

OnStar Light Red - Service Driver Assist Message - '25 Sierra 1500 Denali Ultimate

I purchased a new '25 Sierra 1500 Denali Ultimate about a month ago. At about 900 miles I got a 'Service Driver Assist' message every time I started the truck, and the Supercruise function would not ...
HMW111's avatar
HMW111
New Contributor
6 months ago

Same issue.  Dealer checked it and found nothing.  Has been working no it doesn’t 

catman29's avatar
catman29
New Contributor II
3 months ago

Same. 2024 Lyriq.