The button for this feature is located on the instrument panel to the left of the steering column.

Press the DIMMER button until PANEL DIMMING appears on the Driver Information Center (DIC). Then use the brightness button to adjust the instrument panel brightness. Press the top or bottom of the button to brighten or dim the lights. See Head-Up Display (HUD) for more information.

Be sure not to have the brightness turned all the way down with the lamps on during the day. The DIC may not be visible.