Lock All Doors
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Pressing the lock button will:
- Lock all of the doors.
- Turn the interior lamps on for 2 seconds.
- Turn the puddle lamps on (if equipped) for 2 seconds.
- Arm the content theft deterrent (CTD) system (if equipped).
Press the LOCK button again within 3 seconds of the first press in order to perform the following functions:
- Chirp the horn.
- Turn the interior lamps on for 2 seconds.
- Turn the puddle lamps on (if equipped) for 2 seconds.