2002 Buick Century Owner's Manual - Page 72

Mode 4: 3. Apply your regular brakes. 4. Press and hold the power door lock switch in the lock position. While holding the door lock switch in the lock position, move the shift lever out of and back into PARK (P). After an initial transaxle cycle, each additional cycle will advance the operating mode by one, starting from the current operating mode. During this procedure, the automatic door lock and unlock functions will operate as defined by each mode listed previously, providing the driver with feedback of the current operating mode. If cycled beyond Mode 4, the vehicle will enter operating Mode 1. When the door lock switch is released, the vehicle will remain in the most recent operating mode. Disconnecting the vehicle's battery for up to a year will not change the programmed mode for the programmable automatic power door locks. D Automatic all-door lock when the transaxle is shifted out of PARK (P). D Automatic driver's door only unlock when the transaxle is shifted into PARK (P). D Automatic door relock when any door is unlocked, opened and then all doors are again closed while the vehicle is not in PARK (P) or NEUTRAL (N) and the driver's foot is on the brake pedal. Before your vehicle was shipped from the factory, it was programmed to Mode 3. The mode to which your vehicle was programmed may have been changed since it left the factory. To determine the programmable mode to which your vehicle is programmed or to program your vehicle to a different mode, do the following: 1. Turn the ignition key to RUN. 2. Close all of the doors. 2-8