See also:

Lockout Protection
If the power door lock switch is pressed when the key is in the ignition and a door is open, all the doors will lock and only the driver door will unlock. If the doors are closed, they can b ...

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: ...

Keyless Locking
If the vehicle has the keyless access system, this feature allows you to select whether the doors automatically lock during normal vehicle exit. When the ignition is turned off and all doors ...