See also:

Tone
Only treble and bass can be set in the rear. The settings are made separately for the left and right headphones. Operation is the same as for the front tone. ...

Maintenance
The battery is maintenance-free, i.e., the electrolyte will last for the life of the battery. Your service center will be glad to advise you on questions regarding the battery. ...

Optimised display, exclusive feel: instruments in black-panel technology, Control Display with flatscreen design.
The instrument cluster in black-panel technology combines state-of-the-art display technology with classic sports-car circular instruments. A high-resolution 9.2-inch display below the four dials ...