See also:

Function
Function overview 1 - Visual warning signal, collision risk 2 - Radar sensor 3 - Camera ...

Troubleshooting
If Windscreen Sensors blocked appears in the information display, this indicates that the City Safety™ laser sensor is obstructed in some way and cannot detect vehicles ahead of you, which mea ...

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