See also:

Condensation under the parked vehicle
When using the automatic climate control, condensation water develops that exits underneath the vehicle. Therefore, traces of condensed water under the vehicle are normal. ...

Controls
Buttons at a glance 1 System on/off, interrupt 2 Resume speed 3 Store speed* 4 Store, maintain/change speed Switching on Press the button on the steering wheel. The marking in the speedom ...

Deactivating HDC
Press the button again and the LED goes out. HDC is automatically deactivated above approx. 37 mph/60 km/h. ...