For 1990-2009 cars

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

1. Place the ignition switch in the RUN position.
2. Place the gear selector lever in the PARK position.
3. Place the mirror switch in the MAX position.
4. Cover the ambient light sensor on the windshield side with a dark cloth.
5. Shine a light on the headlamp sensor on the mirror side.

The mirrors (inside rearview and outside mirror) gradually darkens.

• | Outside Mirrors Automatic Day-Night Feature Inoperative

• | Mirrors - Outside Automatic Day-Night Inoperative

2 | Place the gear selector lever in the REVERSE position. | The mirrors gradually lighten to a clear state. | Mirrors - Automatic Day-Night Inoperative in Reverse
3 | Place the gear selector lever in the PARK position. | The mirrors gradually darken. | Mirrors - Automatic Day-Night Inoperative in Reverse
4 |

1. Remove the cloth.
2. Remove the light.

The mirror gradually lightens to a clear state.

• | Outside Mirrors Automatic Day-Night Feature Inoperative

• | Mirrors - Outside Automatic Day-Night Inoperative

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