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 UnitFront Side Door Courtesy Lamp Replacement Lighting Interior Lighting Courtesy Entry Illumination
Front Side Door Courtesy Lamp ReplacementCalloutComponent NamePreliminary ProcedureRemove the front side door trim panel. Refer toFront Side Door Trim Panel Replacement1Front Side Door Courtesy LampProcedureDisconnect the electrical connector. ...