1996 Chevrolet Lumina APV Van PassengerFACTORY OEM SERVICE PROCEDURE

Mode 4 - No Automatic Door Lock Functions

Turn ignition on. Press lock switch for 10 seconds. Doors will lock, then unlock. Release lock switch. Press LOCK button on transmitter one time. All doors will lock. Press LOCK button on transmitter again. All doors will lock again. A 10 second window exists after lock switch is released for programming to take place. Window is exited by 10 second expiration, or by turning ignition off.

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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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.

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