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:
Leaving After Parking on a Hill
1. Apply and hold the brake pedal while you:
• start the engine,
• shift into a gear, and
• release the parking brake.
2. Let up on the brake pedal.
3. Drive slowly until the trailer is cle ...
Power Door Locks
: Press to unlock the doors.
: Press to lock the doors. ...
Anti-Lock Brake SystemWarning Light
With the Anti-Lock
Brake System (ABS),
this light will come
on when you start your
engine and may
stay on for several
seconds, that is normal.
A chime may also sound when the light comes on ...