Remove the engine room front under cover and RH side cover.
(Refer to Engine and Transaxle Assembly - "Engine Room Under Cover")
To release the tension, turn the drive belt tensioner (A) clockwise and then remove the drive belt (B).
If there is a stopper pin, turn the auto tensioner (A) clockwise and then insert the pin into the hole (B). Then, remove the drive belt.
Install in the reverse order of removal.