2003 Pontiac Montana Owner's Manual - Page 170

Before your vehicle was shipped from the factory, it was programmed in Mode 3. The mode to which the vehicle was programmed may have been changed since it left the factory. To determine the mode to which your vehicle is programmed or to program your vehicle to a different mode, do the following: Last Door Locking and Lockout Deterrent This feature allows you to customize the automatic locking of the doors when exiting the vehicle. 1. Follow the instructions for Entering Programming Mode on page 2-61. 2. Press LOCK on the power door lock switch. 3. Count the number of chimes you hear. The number of chimes indicates the vehicle's current programmed mode. (If you do not wish to change the current mode, you can either exit the programming mode by following the instructions later in this section or programthe next feature available on your vehicle.) Programmable Modes Mode 1: Both Features Off (Doors will always lock immediately when you press LOCK on the power door lock switch or the remote keyless entry transmitter.) Mode 2 Lockout Deterrent Only (If you leave your key : in the ignition with the driver's door open, you won't be able to lock the doors with the power door locks.) Mode 3: Last Door Closed Locking Only (If the power door lock switch or the remote keyless entry transmitter is used to lock the vehicle while any door or the liftgate is open, you will hear three chimes. The doors will not lock. Five seconds after the last door is closed, all doors and the liftgate will lock.) Mode 4 Both Features On (This combines : Modes 2 and 3.) 4. Press LOCK to change the current mode. The mode you selected is now set. You can either exit the programming mode by following the instructions later in this section or program the next feature available on your vehicle. 2-63