For 1990-2009 cars

Step | Action | Normal Result(s) | Abnormal Result(s)*
--- | --- | --- | ---
1 |

1. Engage the parking brake.
2. Start the engine.

• | Headlights OFF.

• | Brake indicator illuminates.

Headlamps, Daytime Running Lamps (DRL) On With Park Brake Applied

2 | Disengage the parking brake. |

• | Headlights illuminate to 80%.

• | Brake warning indicator stops illuminating.

• | Park and Tail Lamps do not illuminate.

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

3 | Cover ambient light sensor. |

• | Headlights at full power.

• | Park lamps illuminate.

Headlamps Do Not Switch Intensity