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 UnitDriver or Passenger Seat Removal and Installation Seats
Driver or Passenger Seat Removal and InstallationCalloutComponent NameWarning:Refer toSIR Warning.Warning:To avoid personal injury, perform a preload test on thepassenger presence system whenever you remove or replace the seatcushion trim. Failure to do so may cause the system tomalfunction.Prelimin ...