Lock All Doors

WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.

Press the LOCK button in order to perform the following functions:

Lock all of the doors.
Immediately turn off the interior lamps.
Flash the exterior lights (if selected ON in personalization).
Chirp the horn (if selected ON in personalization).
Arm the CTD system.