1997 Pontiac Trans Sport Owner's Manual - Page 161

Lamps On Reminder If the driver's door is opened andyou turn the ignition to the OFF or LOCK position while leaving the lamps on, you will hear a warning chime. When the DRL are on, only your front parWtm signal lamps will be on. Your instrument panel won't be lit up. When it's dark enough outside, the exterior lamps will come on automatically. When it's bright enough outside, the exterior lamps will go out and the DRL will turn on. Of course, you may still turn on the headlamps any time you need to. Daytime Running LarnpdAutomatic Headlamp Control (If Equipped) Daytime RunningLamps (DRL) can make it easier for others tosee the front of your vehicle during day. the DRL can behelpful in many different driving in conditions, but they can be especially.helpfu1 the short periods after dawn and before sunset. A light sensor on top the instrument panel makes of the DRL work, so be sure it isn't covered. The D I U system will make your front park/turn signal lamps come in on daylight when: a The ignition is on, To idle your vehicle with DRL or exterior lamps off, the set the parking brake while ignition is in theOFF or the LOCK position. 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 whenyou need it. a the headlamp switch is off,and a the parking brake is released. 2-60