2008 Volvo S40 Owner's Manual - Page 85

4. Defroster Directs airflow to the windshield and side windows and increases blower speed. When the defroster is activated: Air flows to the windows at high blower speed. The LED in the defroster button lights up when this function is activated. The air conditioning system is controlled to provide maximum air dehumidification. The air conditioning is automatically switched on (can be switched off by pressing button 6). The air is not recirculated. 5. Airflow controls Press one of the three buttons in the illustration to activate the selected airflow. A symbol in the display above the climate control panel and a lit LED in the selected button indicate that the manual function has been selected. With manually selected airflow both warm and cool air can be selected. See also the table on page 95. 6. Air conditioning On/Off ON: The air conditioning system is engaged when the ON light is lit and is controlled automatically by the system to maintain the selected temperature. OFF: The system is disengaged when the OFF lights up. When OFF is selected and the OFF LED is lit, the air conditioning system is deactivated. Other functions are still controlled automatically. When Defroster (4) is selected, the air conditioning system is activated for maximum dehumidifying. 94 03 Climate Electronic Climate Control (ECC) - option 7 and 8. Heated front seats (option) Maximum heating: Press the button once - both LEDs light up. Reduced heating: Press the button a second time -one LED lights up. Seat heating off: Press the button a third time - no LEDs are lit. 9. Rear window and door mirror defrosters Press to defrost the rear window and door mirrors. The rear window and door mirrors are defrosted simultaneously if the switch is pressed once. The defrost function is active if the LED in the switch is illuminated. The function can be switched off manually by pressing the button.