Theft-Deterrent Feature
TheftLock® is designed to discourage theft of the vehicle's radio by learning a portion of the Vehicle Identification Number (VIN).
The radio does not operate if it is stolen or moved to a different vehicle.
See also:
DVD Display Error Messages
The DVD display error message depends on which radio the vehicle has. The video screen might display one of the following:
Disc Load/Eject Error: This message displays when there are disc load or eje ...
Shifting out of Park
The vehicle is equipped with an electronic shift lock release system.
The shift lock release is designed to:
• Prevent ignition key removal unless the shift lever is in P (Park) with the shift lev ...
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 ...





