Cleaning the trailer tow hitch

The ball coupling must be cleaned if it becomes dirty or corroded. Remove rust on the ball of the ball coupling, e.g. with a wire brush. Remove dirt with a clean, lint-free cloth or a brush. A ...

Cleaning the display

Before cleaning the display, make sure that it is switched off and has cooled down. Clean the display surface using a commercially-available microfiber cloth and TFT/LCD display cleaner. ...

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If a warning light turns on or a warning buzzer sounds...
Calmly perform the following actions if any of the warning lights turn on or flash. If a light turns on or flashes, but then turns off, this does not necessarily indicate a malfunction in the system ...

Air inlet selection button
Air inlet selection button ON position (Recirculation): Interior air is recirculated inside the vehicle. Push the air inlet selection button to the ON position. The indicator light will illu ...

Random
This function plays the tracks in random order (shuffle). The random tracks/sound files can be scrolled through in the normal way. To listen to tracks in random order: 1. Press OK/MENU, 2. Tur ...