1998 Chevrolet Blazer Owner's Manual - Page 116

Daytime Running Lamps Daytime Running Lamps(DIU) can make it easier for others to see thefront of your vehicle during the day. DRL can be helpful in many different driving conditions, but they canbe especially helpful in the short periods after dawn and beforesunset. The DRL system will make your headlamps come at on reduced brightness when: 0 To idle your vehicle with the DRL off, set the parking brake. The DRL will stay off until you release the parking brake. As with any vehicle, you should turn on the regular headlamp system whenyou need it. Fog Lamps (If Equipped) Use yourfog lamps for better vision in foggy misty or conditions. Your parking lamps must on for your fog be lamps to work. The fog lamp switchis on the instrument panel under the lamps switch. Press the switch turn the fog lamps to on. Press the switch again turn them off.A light will to glow in the switch when the fog lamps on. are Remember, fog lamps alone willnot give off as much light as your headlamps. Never use your fog lamps in on the dark without turning your headlamps. Fog lamps willgo off whenever your high-beam headlamps come on. When the high beamsgo off, the fog lamps will come on again. the ignition is on, the headlamp switch is in automatic headlamp mode and the parking brake is released. When the DRLare on, only your headlamps will beon. The taillamps, sidemarker and other lamps won't be on. The instrument panel won't lit up either. be When it begins to get dark, the headlamps will automatically switch from DRL to the regular headlamps. When you turn the headlamp switchoff, the regular lamps will go off, and your headlamps will change to the reduced brightness of DRL provided it is not dark outside. 2-42