2000 GMC Safari Owner's Manual - Page 116

The DRL system will make your headlamps come on at a reduced brightness when: Interior Lamps Instrument Panel Intensity Control The instrument panel intensity control is located to the right of the headlamp switch. Turn the thumbwheel up to adjust the instrument panel lights. To turn on the dome lamps (with the vehicle doors closed) turn the thumbwheel all the way up. D D D D D the ignition is on, the headlamp switch is in automatic headlamp mode. the automatic transmission is not in PARK (P), the light sensor determines it is daytime and the parking brake is released. When the DRL are on, only your DRL lamps will be on. The taillamps, sidemarker and other lamps won't be on. Your instrument panel won't be lit up either. When it begins to get dark, the automatic headlamp system will switch from DRL to the headlamps or the last chosen headlamp setting that was used. To idle the vehicle with the DRL off, set the parking brake. Shifting the transmission into PARK (P) will also allow you to idle the vehicle with the DRL off. The DRL will stay off until you release the parking brake or shift the transmission out of PARK (P). As with any vehicle, you should turn on the regular headlamp system when you need it. Exit Lighting With exit lighting, the interior lamps will come on when you remove the key from the ignition. The lights will not come on if the DOME OVERRIDE button is pressed in. Illuminated Entry Your vehicle is equipped with an illuminated entry feature. When the doors are opened, the dome lamps will come on if the DOME OVERRIDE button is in the "out" position. When all the doors are closed, the lamps will stay on for a short period of time and will then go out. If the DOME OVERRIDE button is pressed in, the lamps will not come on. 2-41