See also:

Remote Door Lock Feedback
This feature allows you to select the type of feedback you will receive when locking the vehicle with the Remote Keyless Entry (RKE) or keyless access transmitter, or when the vehicle is aut ...

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 (Park). ...

General Information
For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people. Genuine GM parts have one of these marks: ...