2019 GMC Terrain SLFACTORY OEM SERVICE PROCEDURE

Removal Procedure

WARNING: This page is about a different car, the 2021 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:

Refer to SIR Warning .

  1. Disable the SIR system. SIR Disabling and Enabling
  2. GM5474407Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Left side shown, right side similar.

    Fold the rear seat back to the downward position.

  3. Use a flat bladed plastic trim tool to remove the quarter window trim finish panel bolt cap (1) on the right side.
  4. Quarter Window Trim Finish Panel Bolt- Right Side (2) - Remove
  5. Disengage the retainers, starting at the front and working rearward.
  6. NOTE:

    The Quarter Upper Trim Panel does not need to be fully removed from the vehicle.

  7. Quarter Upper Trim Panel- Right Side (3) - Reposition
  8. GM5443217Courtesy of GENERAL MOTORS COMPANY

    Using a suitable plastic trim tool, release the retaining tabs.

  9. Disconnect the electrical connector.
  10. Remote Function Actuator Module (1) - Remove
Factory Service Tools

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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.