Lock All Doors

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. 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.
Momentarily illuminate the interior lamps.
Flash the exterior lights, if selected ON in personalization.
Chirp the horn, if selected ON in personalization.
Arm the content theft deterrent (CTD) system.