GM Service Manual Online
For 1990-2009 cars only

Brake Warning System Check Buick

Step

Action

Normal Result(s)

Abnormal Result(s)*

1

  1. Ensure that the park brake is not applied.
  2. Start the engine.

The brake warning indicator illuminates briefly.

2

Apply the park brake until the brake warning indicator illuminates.

The brake warning indicator illuminates.

Brake Warning Indicator Inoperative

3

Drive the vehicle approximately 15 meters (50 feet).

The brake warning indicator illuminates and the chime sounds.

Brake Warning Chime Inoperative

4

The brake fluid level is low.

The brake warning indicator illuminates and the chime sounds.

Brake Warning Indicator and Chime Inoperative

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

Brake Warning System Check Oldsmobile

Step

Action

Normal Result(s)

Abnormal Result(s)*

1

  1. Ensure that the park brake is not applied.
  2. Start the engine.

The brake warning indicators illuminate briefly (approximately 5 seconds).

2

Apply the park brake until the PARK indicator illuminates.

The PARK indicator illuminates.

Brake Warning Indicator Inoperative

3

Drive the vehicle approximately 15 meters (50 feet).

The PARK indicator illuminates, the PARK BRAKE SET message displays on the DIC, and the chime sounds.

Brake Warning Message and Chime Inoperative

4

The brake fluid level is low.

The BRAKE FLUID indicator illuminates, the LOW BRAKE FLUID message displays on the DIC, and the chime sounds.

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