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:
Keys
WARNING
Leaving children in a vehicle with the ignition key is dangerous for many reasons.
Children or others could be badly injured or even killed. They could operate the
power windows or other ...
Shifting out of Park
To shift out of P (Park):
1. Apply the brake pedal.
2. Turn the ignition to ON/RUN.
3. Press the shift lever button.
4. Move the shift lever.
If you still are unable to shift out of P (Park):
1. ...
Anti-theft Alarm System
This vehicle has an anti-theft alarm system. ...