See also:

Add-on Electrical Equipment
The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment on page 9‑112. Added electrical equipment ma ...

Immobilizer Operation
This vehicle has a passive theft-deterrent system. The system does not have to be manually armed or disarmed. The vehicle is automatically immobilized when the key is removed from the ignition. Th ...

Wipe Parking
If the ignition is turned to LOCK/ OFF while the wipers are on LO, HI, or INT, they will immediately stop. If the windshield wiper lever is then moved to off before the driver door is opened or wi ...