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 UnitDrive Range, Third Gear (Gen 2/Hybrid) Automatic Transmission Unit
As vehicle speed increases and operating conditions becomeappropriate, the transmission control module (TCM) processes inputsignals from the automatic transmission input and output speedsensors, the throttle position sensor and other vehicle sensors todetermine the precise moment to command OFF the ...