Automatic Door Locks

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Automatic Door Locks
WARNING: This page is about a different car, the 2002 Buick Regal and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

Continue with the following steps in order to program the automatic door locks feature:

  1. Select Set Options.
  2. Select F0 for ADL (Auto Door Locks)
  3. Highlight the desired mode from the following choices (see Automatic Door Lock modes above for mode descriptions):
    • Mode 1: NO ADL.
    • Mode 2: ADL out of PARK, NO unlock.
    • Mode 3: ADL out of PARK, Unlock into PARK.
    • Mode 4: ADL out of PARK, Unlock driver door ONLY.
  4. Press the ENTER button to turn the mode ON or OFF. (You must turn the current mode OFF before you can turn another one ON.)
  5. Select Save Options.
  6. Exit the menu.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.