See also:

The concept
Speed limit detection Speed limit detection uses a symbol in the shape of a traffic sign to display the currently detected speed limit. The camera at the base of the interior rearview mirror detec ...

Socket for OBD Onboard Diagnosis
Socket for OBD Onboard Diagnosis On the driver's side is an OBD socket for checking the primary components in the vehicle emissions. ...

What to do if...
Only a black screen is visible. Switch on the system. There are no options available on the screen. Replace remote control batteries. Radio stations or TV channels are grayed out and c ...