For 1990-2009 cars

## 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.

• | Brake Warning Indicator Always On

• | Brake Warning Indicator Inoperative

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).

• | Brake Warning Indicator Always On

• | Brake Warning Indicator Inoperative

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. |

• | Brake Warning Indicator, Message, and Chime Inoperative

• | Brake Warning Message and Chime Inoperative

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