See also:

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

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 ...

Variable voltage control system
CAUTION: - Do not ground accessories directly to the battery terminal. Doing so will bypass the variable voltage control system and the vehicle battery may not charge completely. - Use ele ...