Delayed Locking and Lockout Prevention

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Delayed Locking and Lockout Prevention
WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.

The following are the modes of operation for the delayed locking and the lockout prevention features:

  • Mode 1:

    Both the delayed locking and the lockout prevention features are disabled.

  • Mode 2:

    The lockout prevention feature is enabled only.

  • Mode 3:

    The delayed locking feature is enabled only.

  • Mode 4: (Default)

    Both the delayed locking and the lockout prevention features are enabled.

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

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

Affiliate disclosure: We may earn a commission at no extra cost to you.

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.