2008 Volvo S40 Owner's Manual - Page 52

NOTE This function can only be activated in twilight or dark conditions, and only when the vehicle is in motion. If the indicator light flashes, this indicates a fault in the ABL system. A text message will also be displayed. Brake lights The brake lights come on automatically when the brakes are applied. Fog lights Front fog lights (option) The front fog lights can be used in combination with either the headlights or the parking lights. 1. Turn the ignition key to position II. 2. Press button 3 to turn on the front fog lights. An indicator light in the button illuminates when the front fog lights are on. Rear fog light The single rear fog light is located in the driver's side taillight cluster. The rear fog light will only function in combination with the high/low beam headlights or the optional front fog lights. 1. Turn the ignition key to position II. 2. Press button 5 to turn on the rear fog light. An indicator light in the button illuminates when the rear fog light is on. NOTE The rear fog light is considerably brighter than the normal taillights and should be used only when conditions such as fog, rain, snow, smoke or dust reduce visibility for other vehicles to less than 500 ft. (150 meters). Instrument panel lighting The instrument panel lighting illuminates when the ignition is in position II and the light switch (1) is in either position .