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 UnitRetained Accessory Power Description and Operation Accessory Outlets
Retained Accessory PowerRAP Description and Operation Block DiagramK9Body Control ModuleK73Telematics Communication Interface Control ModuleA11RadioKR76Retained Accessory Power RelayHard-WiredSerial DataK9-Body Control ModuleK73-Telematics Communication Interface Control ModuleA11-RadioKR76-Retained ...