2002 Chevrolet Suburban Owner's Manual - Page 94

On the passenger side of the rear cargo door or liftgate opening trim there is a power lock switch which can be used to lock or unlock all of the doors. Programmable Automatic Door Locks (If Equipped) If your vehicle has power door locks, it is equipped with a feature that enables you to program your power door locks. Your vehicle left the factory programmed to automatically lock all doors when the vehicle is shifted out of PARK (P), and all doors unlock when the vehicle is shifted into PARK (P). You can set the automatic door lock feature to unlock the doors you select once the vehicle is in PARK (P). If the rear lock switch is pressed with the rear doors open, all of the doors will lock five seconds after the cargo doors are closed. The power door locks will operate at any time even when the ignition is off. Operating the power locks may interact with the theft-deterrent system (if equipped). See "Content Theft-Deterrent" in the Index. The following instructions detail how to program your door locks. 2-8