GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1998 🢒 Park Avenue 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Exterior Lights System Check

Step

Action

Normal Result(s)

Abnormal Result(s)*

1
  1. Turn the ignition switch to the OFF position.
  2. Place the headlamp switch in the OFF position.

All of the exterior lamps are off.

Park and Tail Lamps Always On

2

Place the headlamp switch in the PARK position.

All of the park lamps light.

Park Lamps Inoperative

3
  1. Place the headlamp switch in the OFF position.
  2. Press the hazard button in order to activate the hazard flashers.
    • All front and rear turn signal lamps flash approximately 80-90 times per minute.
    • The left turn indicator flashes.
    • The right turn indicator flashes.

Hazard Lamps Inoperative

4
  1. Press the hazard button in order to turn the hazard flashers off.
  2. Press the brake pedal.

All stop lamps light while the brake pedal is pressed.

Stop Lamps Inoperative

6
  1. Turn the ignition switch to the RUN position.
  2. Place the turn signal switch in the left turn position.
  3. Place the turn signal switch in the right turn position.
    • The respective front turn signal lamps flash 80-90 times per minute.
    • The respective rear turn signal lamps flash 80-90 times per minute.
    • The respective turn indicator flashes.
    • The respective cornering lamp lights.

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