Lock All Doors

WARNING: This page is about a different car, the 2002 Pontiac Sunfire, 2002 Chevrolet Cavalier, 2001 Pontiac Sunfire, and 2001 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.

Press LOCK button in order to perform following functions:

Lock all doors.
Immediately turn off interior lights.
Flash daytime running lights, if mode has been selected.
Chirp horn, if mode has been selected.
Arm Content Theft Deterrent (CTD) system after all doors are closed.