2003 Chevrolet Tahoe Owner's Manual - Page 99

Delayed Locking When you lock the doors using the power lock switch or the remote keyless entry transmitter with any door or the liftgate open three chimes will signal that delayed locking is being used. Five seconds after the last door is closed, all the doors will lock. All doors and liftgate can be re-opened for up to five seconds from the time the last door is closed. You can lock the door immediately using the power door lock switch or the optional remote keyless entry transmitter a second time. This feature will not lock the doors if the key is in the ignition. To enable or disable the delayed locking feature, do the following: 1. Press and hold the power door lock switch on the driver's door in the lock position. Programmable Automatic Door Locks 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). The following instructions detail how to program your door locks. To enter the program mode you need to do the following: 1. Beginning with the ignition in LOCK. Pull back on the turn signaVmultifunction lever all theway toward you until flash-to-pass is activated, and hold it while you perform the next step. 2. Press the remote keyless entry transmitter unlock button twice. If the feature is disabled, the doors will lock immediately when a power door lock switch or remote keyless entry transmitter button is pressed. 2-10