GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2003 🢒 Grand Prix 🢒 Features and Controls 🢒 Vehicle Personalization 🢒 Automatic Door Lock

With automatic door locks, all doors will automatically lock when you shift out of PARK (P) and automatically unlock when the ignition is turned to OFF.

Programmable Modes

Mode 1: Both Features Off - Automatic door locking and unlocking are disabled. You will always need to lock your doors manually before driving to increase occupant safety.

    • All doors will lock when you press the power door lock switch rearward or when you press the LOCK on the remote keyless entry transmitter (if equipped).
    • All doors will unlock when you press the power door lock switch forward or when you press UNLOCK on the remote keyless entry transmitter (if equipped).
Mode 2: Automatic Door Locking Only

    • Automatic Door Unlocking: The automatic door unlock feature is turned off.
    • Automatic Door Locking: Shift out of PARK (P) with the ignition on and the driver's door closed, all doors will lock automatically.
Mode 3: Automatic Unlocking with the Ignition Off

    • Automatic Door Unlocking: Turn off the ignition with the transaxle in PARK (P) and all doors will unlock automatically.
    • Automatic Door Locking: Shift out of PARK (P) with the ignition on and the driver's door closed and all doors will lock automatically.
Mode 4: Automatic Unlocking and Locking with Transaxle in PARK (P)

    • Automatic Door Unlocking: Shift into PARK (P) with the ignition on and all doors will unlock automatically.
    • Automatic Door Locking: Shift out of PARK (P) with the ignition on and the driver's door closed and all doors will lock automatically.

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 mode to which your vehicle is programmed or to program your vehicle to a different mode, do the following:

  1. Follow the instructions for Entering Programming Mode .
  2. Press LOCK on the power door lock switch.
  3. Count the number of chimes you hear. The number of chimes tells you which mode your vehicle is set for. 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 program the next feature available on your vehicle.
  4. Press LOCK on the power door lock switch again to change the current mode.
  5. Repeat Step 4 until you hear the number of chimes that matches the mode you want.

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. See Exiting Programming Mode .