1993 Buick Regal Owner's Manual - Page 96

Courtesy Lights When any door is opened, several lights turn on. They make it easy for you to enter and leave the car. The courtesy lights go off when the doors are closed. The interior courtesy lights can be turned on by sliding the light switch to INT orby sliding the switch to OFF. You can also changethe brightness of the instrument panel lights by sliding the switch between OFF and BRT. The instrument panel lights will come on when a door is opened and closed. The instrument panel lights will automatically go off after approximate1.y 30 seconds, unless the headlights or parking lights have been turned on. Mirrors Inside Mirror When you are sitting in a comfortable driving position, adjust the mirror so you can see clearly behind your car. The day-night adjustment allows you to adjust the mirror to avoid glare from the lights behind you. 94