OnStar Services
See also:
Ignition Transmission
Lock Check
While parked, and with the parking
brake set, try to turn the ignition to
LOCK/OFF in each shift lever
position.
- The ignition should turn to
LOCK/OFF only when the shift
lever is in P (Pa ...
Anti-theft Alarm System Message
SERVICE THEFT DETERRENT SYSTEM
This message displays when there is a problem with the theft-deterrent system.
The vehicle may or may not restart so you may want to take the vehicle to your dealer
...
Power Reclining Seatbacks
To adjust the seatback:
Tilt the top of the control rearward to recline.
Tilt the top of the control forward to raise.
WARNING
Sitting in a reclined position when the vehicle is in mo ...






