See also:

What to do if...
Only a black screen is visible. Switch on the system. There are no options available on the screen. Switch over between the display screens. Radio stations or TV channels are grayed out ...

Display
1 Lane departure warning* 2 Active Cruise Control* 3 Desired speed 4 Navigation system* 5 Speed The collision warning*, Night Vision* pedestrian warning, or Check Control messages are display ...

Front active seat ventilation
The seat cushion and backrest surfaces are cooled by means of integrated fans. The ventilation rapidly cools the seat, e.g., if the vehicle interior is overheated or for continuous cooling at h ...