AIR CONDITIONING278Switching between outside air andrecirculated air modesIS 2501Recirculated air mode2Outside air modeIS F/IS 3501Recirculated air mode2Automatic mode3Outside air modePush the air intake control button.The mode switches between recirculatedair mode, automatic mode (IS F/IS 350)and outside air mode each time the buttonis pushed.When the system is switched to automaticmode, the air conditioning system oper-ates automatically.(d) Defogging the windshieldThe air conditioning system operatesauto...