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:
Trip Odometer
Press the trip/fuel button until TRIP displays. This display shows the current distance traveled in either kilometers (km) or miles since the last reset for the trip odometer.
Pressing the trip odome ...
Security Light
The security light should come on briefly as the engine is started.
If the system is working normally, the indicator light turns off. If it does not come on, have the vehicle serviced by your deale ...
Doing Your Own Service Work
If the vehicle is a hybrid, see the hybrid supplement for more information.
WARNING
You can be injured and the vehicle could be damaged if you try to do service work on a vehicle without knowing eno ...