Unlock Doors

WARNING: This page is about a different car, the 2023 GMC Sierra 3500 HD and 2023 GMC Sierra 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

Momentarily press the transmitter UNLOCK button in order to perform the following functions:

Unlock only the driver door or all doors and liftgate (if equipped); this is customized through the driver information center.
Illuminate the interior lamps for a determined length of time or until the ignition is turned ON.
Flash the exterior lights; this is customized through the driver information center.
Disarm the content theft deterrent system, if equipped.
Deactivate the content theft deterrent system when in the alarm mode.