See also:

Fault tracing and actions
If the message Windscreen Sensors blocked is displayed, this means that the camera is obscured and cannot detect pedestrians, vehicles or road marker lines in front of the vehicle. This, in turn, ...

Input volume
Adjust the input volume in the RSE menu, under A/V AUX input volume. ...

Belt check
Check the belt regularly to make sure it is in good condition and is clean. A worn or dirty belt can cause poor cooling and low alternator output as well as impair the operation of the power steer ...