V olvos built for the U.S. are equipped with a climate control system that comes standard in most models. The climate control system contains a function selector dial, driver and passenger temperature dials, a recirculated air switch, A/C on and off switch and a fan speed (blower motor) control switch (see Photo 1). The heater-A/C blower motor is controlled by the Electronic Climate Control (ECC) output power stage, as the air conditioning system operates only above 32