GM Service Manual Online
For 1990-2009 cars only

Daytime Running Lamps (DRL) can make it easier for others to see the front of your vehicle during the day. Fully functional daytime running lamps are required on all vehicles first sold in Canada.

The DRL system will make the headlamps come on at reduced brightness when the following conditions are met:

    • The ignition is on,
    • the exterior lamp control is off, and
    • the parking brake is released.

When the DRL are on, only the headlamps will be on. The taillamps, sidemarker, instrument panel lights, and other lamps will not be on.


Object Number: 805671  Size: A1

When it gets dark, the DRL indicator light is a reminder to turn the headlamps on.

When the headlamps are turned on, the other lamps that come on with the headlamps will be on.

When the headlamps are turned off, the regular lamps will go off, and the low-beam headlamps will change to the reduced brightness of DRL.

To idle the vehicle with the DRL off, set the parking brake. The DRL will stay off until the parking brake is released.

Turn on the regular headlamp system when it is needed.