2009 Mazda RX-8 Owner's Manual - Page 222

Interior Comfort Climate Control System qWindshield Defrosting and Defogging qSunlight/Temperature Sensor The fully automatic air conditioner function measures inside and outside temperatures, and sunlight. It then sets temperatures inside the passenger compartment accordingly. CAUTION Do not obstruct either sensor, otherwise the automatic air conditioner will not operate properly. Press the windshield defroster switch. position is In this position, the automatically selected, and the air conditioner automatically turns on. The air conditioner will directly dehumidify the air to the front windshield and side windows (page 6-4). Airflow amount will be increased. Sunlight sensor WARNING Set the temperature control to the hot or warm position when defogging ( position): position with the Using the temperature control set to the cold position is dangerous as it will cause the outside of the windshield to fog up. Your vision will be hampered, which could lead to a serious accident. NOTE Use the temperature control dial to increase the air flow temperature and defog the windshield more quickly. Interior temperature sensor 6-14