GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 1999 🢒 Intrigue 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Headlight System Check

Step

Action

Normal Result(s)

Abnormal Result(s)*

1
  1. Turn the headlamp switch to the HEAD position.
  2. Turn the headlamp dimmer switch to the LOW position.
    • The low beam headlamps are on.
    • The high beam headlamps are off.

2

Turn the headlamp dimmer switch to the HIGH position.
    • The high beam headlamps are on.
    • The high beam indicator is on.
    • The low beam headlamps are off.

3
  1. Turn the ignition switch on.
  2. Turn the headlamp switch to the OFF position.
  3. Cover the DRL ambient light sensor with a dark cloth and wait approximately 15 seconds.

The low beam headlamps are on.

Daytime Running Lamps (DRL) Inoperative, Headlamp Switch Operates Normally

* Refer to the appropriate symptom diagnostic table for the applicable abnormal result.