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Home >> GMC >> 2021 >> Terrain SLT, 4WD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Vehicle Access System >> Repair Instructions >> Opening the Fuel Tank Filler Door when the Door Lock Malfunctions

Opening the Fuel Tank Filler Door when the Door Lock Malfunctions

  1. Rear Wheelhouse Liner Panel- Right Side - Remove - Rear Wheelhouse Liner Replacement - Right Side (Terrain) , or Rear Wheelhouse Liner Replacement - Right Side (Equinox)
  2. Reach in behind the fuel filler pipe housing and manually slide the actuator rod forward, using light pressure, to override the actuator to release the fuel tank filler door.