Removal ProcedureRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.

Remove the fill plug-(1).Installation Procedure

Clean the fill plug and apply adhesive GM-P/N-12345493 (Canadian-P/N-10953488) tothe threads.
Caution:Refer toFastener Caution.
Install the fill plug-(1) and tighten to 39-Y (29-lb-ft).Lower the vehicle.
Drain Plug Replacement Automatic Transmission Unit
Transmission Fluid Drain and Fill Automatic Transmission UnitTail Lamp Replacement (Terrain) Lighting Exterior Lighting Tail Lamp
Tail Lamp ReplacementCalloutComponent NamePreliminary ProcedureOpen and support the liftgate assembly.1Tail Lamp Access Hole Cover (Qty:-2)Tip:Use a small flat bladed tool to aid in the removal of theaccess hole covers.2Tail Lamp Screw (Qty:-2)Caution:Refer toFastener Caution.Tighten2.5-Y(22-lb-in)3 ...