Engine Oil Messages

See also:

Compass
The vehicle may have a compass display in the Driver Information Center (DIC). See Compass for more information. ...

Automatic Transmission Shift Lock Control System Check
WARNING: When you are doing this inspection, the vehicle could move suddenly. If the vehicle moves, you or others could be injured. 1. Before starting this check, be sure there is enough room ...

Transferring Service
Push to request account transfer eligibility information. The Advisor can assist in canceling or removing account information. If OnStar receives information that vehicle ownership has chan ...