See also:

Troubleshooting guide
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Control panel buttons — color screen with navigation system (if so equipped)
Control panel buttons — color screen with navigation system (if so equipped) 1. (brightness control) button 2. Display screen 3. MAP button* 4. NAV button* 5. TRAF button* 6. SETUP bu ...

Instrument brightness control
The instrument cluster illuminates when the ignition switch is placed in the ON position. The instrument brightness control operates when the headlight control switch is in the AUTO or positi ...