Fluidcoupling has anabroadapplicationbydriveunit, in the course of using. ItUSESliquidkinetic energytotransferpower, improveselectromotorstartcapability, realizesover loadingprotect.
Subaru advertises the CVT as being a lifetime unit, but the owner's manual recommends changing the fluid every 30, 000 miles if you drive in "extreme" conditions.