1998 Oldsmobile Silhouette Owner's Manual - Page 162

A light sensoron top of the instrument panel makes the DRL work, so be sure itisn't covered. TheDRL system will make your front parking and turn signal lamps come onin daylight when: The ignition is on, the headlamp switch is off and the parking brake is released. When the DRL are on, only your front parking and turn signal lamps will be on. Your instrument panel won't be lit up. When it's dark enough outside, theexterior lamps will come onautomatically. When it's bright enough outside, the exteriorlamps will go out and the DRL will turn on. Of course, you may still turn on the headlamps any time you need to. Fog Lamps The fog lamps switch is located in the instrument panel switchbank. Push the fog lamp symbol on the rocker button to turn on the lamps. The green indicator light will glow. Push the ribbed of part the switch toturn them off. The indicator light will off. go Your parking lamps or headlamps must be on for your fog lamps to go on. When your DRL are on, the headlamps switch must first be turned from the off position before the foglamps can be turned on. At night, when DRL automatically turns on your headlamps, the fog lamps can be turned on when the headlamps switch is in any position. Your fog lamps willgo off when you switchto high beams. Using your high beams in fog is not recommended. To idle your vehicle with the DRL or exterior lamps off, set the parking brake while the ignition is in OFF or LOCK. Then start the vehicle. The DRL will stay off until you release the parking brake. As with any vehicle, you should turn on the regular headlamp system when you need it. 2-60