A/T Fluid Change

Lift up vehicle.
When engine is cool, remove drain plug (1) from transaxle housing (2) and drain A/T fluid.
Install a new gasket to drain plug.
Install drain plug (1).
Tightening torque

A/T fluid drain plug a: 40 N.m (4.0 kg-m, 29.0 lb-ft)

Fig 1: Identifying Drain Plug
Courtesy of SUZUKI OF AMERICA CORP.
Lower vehicle and fill proper amount of an equivalent of DEXRON®-III
Check fluid level referring to A/T FLUID LEVEL CHECK .
Automatic transaxle fluid

An equivalent of DEXRON®-III

Automatic transaxle fluid capacity

When draining from drain plug hole: 4.5 liters (7.92 / 9.60 US/Imp pt.)

When overhauling: 7.3 liters (12.85 / 15.57 US/Imp pt.)

Fig 2: Checking Fluid Level
Courtesy of SUZUKI OF AMERICA CORP.