See also:

Check coolant level
The cooling system must be filled with coolant and not leak to operate at maximum efficiency. Check the coolant level regularly. The level should be between the MAX and MIN marks on the expansio ...

The laser sensor
The upper decal describes the laser beam's classification and contains the following text: Invisible Laser radiation – Do not view directly with optical instruments (magnifiers) – Class 1M ...

Switching HD on or off
The factory setting for HD radio is off. However, when driving through areas with weak HD signals (fringe areas), you may experience that the radio repeatedly switches between analogue/ digital an ...