Vehicle and Power Issues
OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.
See also:
Automatic Transmission
The automatic transmission shift lever is located on the console between the
seats.
P (Park): This position locks the front wheels. Use P (Park) when starting the
engine because the vehicle can ...
Vehicle Reminder Messages
CHECK TRAILER WIRING
On vehicles with the Integrated Trailer Brake Control (ITBC) system, this message may display and a chime may sound when one of the following conditions exists:
• A trailer wi ...
Trip/Fuel Menu Items
(Trip/Fuel): Press this button to scroll through the following menu items:
ODOMETER
Press the trip/fuel button until ODOMETER displays. This display shows the distance the vehicle has been driven i ...