2021 GMC Terrain SLFACTORY OEM SERVICE PROCEDURE

Installation Procedure

  1. GM4573326Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

    Rear Closure Hands Free Module Bolt (1) - Install and tighten [ 4x ] 5 N.m (44 lb in)

  2. Connect the electrical connector.
  3. GM4571346Courtesy of GENERAL MOTORS COMPANY

    Rear Bumper Fascia (1) - Install - Rear Bumper Fascia Replacement (Equinox) , or Rear Bumper Fascia Replacement (Terrain)

  4. Perform the necessary programming and setup procedure: Control Module References
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.