1993 Buick Park Avenue Owner's Manual - Page 105

Daytime Running Lights (Canada Only) The Canadian Federal Government has decided that "Daytime Running Lights" (DRL) are a useful feature, in that DRL can make your vehicle more visible to pedestrians and other drivers during daylight hours. DRL are required on new vehicles sold in Canada. Your DRL work with a light sensor on top of the instrument panel.Don't cover itup. The low beam headlights will come on at reduced brightness in daylight when: 0 0 0 At dusk, if the Twilight Sentinel featureis turned on, the exterior lights will come on automatically and the low beams will change to full brightness. At dawn, the exterior lights will go out and the low beams will change to the reduced brightness of DRL (if the headlight switch is off). Of course, you may still turn on the headlights any time you need to. To idle your vehicle with the DRL off, shift the transaxle into "P" (Park). The DRL will stay off until you shift outof "P" (Park). To turn off all exterior lighting at nightwhen you are parked, move the twilight sentinel control from ON to OFF, if it was on from the start. Or, move the control from OFF toON, then back to OFF, if it was off from the start. Thelights will come back on when you move the transaxle out of PARK. The ignition is on The headlight switch is off, and The transaxle is not in "P" (Park).