For 1990-2009 cars

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

1. Turn the light switch to the PARK/HEAD position.
2. Turn the illumination controller knob fully clockwise.

All the panel illumination lamps light at full brilliance.

--

2 | Turn the illumination controller knob slowly counterclockwise. | All panel illumination lamps dim as you turn the illumination controller. | --
* Refer to the appropriate symptom diagnostic table for the applicable abnormal result.