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Closing the windows and glass sunroof/panoramic glass sunroof
Driving with the glass sunroof/panoramic glass sunroof and windows open results in increased air resistance and raises fuel consumption. ...

Car washes
Notes Steam jets or high-pressure washers When using steam jets or high-pressure washers, hold them a sufficient distance away and use a maximum temperature of 140 F/ 60 C. Holding them too ...

Brake force display
The concept During normal brake application, the outer brake lamps light up. During heavy brake application, the inner brake lamps light up in addition. ...