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Home >> Chevrolet >> 2000 >> C3500 HD 6.5 F, Standard >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Power Door Lock System - Old Style >> Programming >> Lock-Out Prevention

Lock-Out Prevention

Lock-out prevention will not allow doors to lock with key in ignition and a door open. To turn this feature on and off, perform following:

  1. Put key in ignition. Turn ignition on, and then off to disarm alarm system.
  2. Remove RADIO fuse No. 17. Turn ignition switch to ACCESSORY position. Chime should sound twice to verify programming mode.
  3. Press LOCK switch on door. Number of chimes heard indicates current mode. Press LOCK switch on door again to change modes. See LOCK-OUT PREVENTION MODES  table.
  4. To exit programming mode, turn ignition off and reinstall RADIO fuse No. 17.

LOCK-OUT PREVENTION MODES

Mode Description
1 Disabled
2 Enabled