2002 Mercedes G-Class Owner's Manual - Page 149

Instruments and controls Climate control Operation Driving Instrument cluster display Practical hints Car care Technical data Index 146 The system automatically switches from air recirculation to fresh air: • after 30 minutes if the outside temperature is above about 40°F (5°C), • after 5 minutes if the outside temperature is below about 40°F (5°C), • after 5 minutes if economy mode ACOFF is selected. The system switches automatically to air recirculation at high outside temperatures. A quantity of outside air is added after about 30 minutes. If the windows should fog up from the inside, switch from recirculated air back to fresh air. Windshield fogged up on the outside Switch on the windshield wiper. Switch to manual mode. Turn air distribution switch to position h or k. Air recirculation Select air recirculation: Press button O briefly. The indicator lamp in the button illuminates. To switch off the air recirculation: Press button O briefly. The indicator lamp in the button will go out.