See also:

Playing a disc
Press MEDIA several times until Disc is displayed. Release the button and wait several seconds or press OK/MENU. If there is a disc in the player, it will begin playing automatically. Otherwise, ...

Low battery voltage
If the battery voltage is too low, the parking brake cannot be applied or released. Connect an auxiliary battery if the battery voltage is too low, see page 114. ...

Optimal sound reproduction
The audio system is pre-calibrated for optimal sound reproduction using digital signal processing. This calibration takes into account factors such as the speakers, amplifier, cabin acoustics, th ...