Fig. 78 On the windshield: automatic dimming interior rearview mirror.  

Sensor for light entering from the rear.  

Sensor for light entering from the front.  

Automatic dimming interior rearview mirror  

When the ignition is on, the sensors measure the amount of light entering from the rear fig. 78  

Depending on the measured values, the interior rearview mirror will dim automatically.  

and from the front  

.

If the amount of light entering the sensors is limited or interrupted, for example by a sunshade or attachment, the automatic dimming interior rearview mirror may no  

function or may malfunction. Mobile navigation devices on the windshield or near the automatic dimming interior rearview mirror can also affect the sensors ⇒  

.

Automatic dimming will be deactivated in some situations, for example when reverse gear is engaged.  

WARNING  

The illuminated display of a mobile navigation system may interfere with the automatic dimming interior rearview mirror. This may stop you from using the  

interior rearview mirror to accurately determine the distance from vehicles or other objects behind you. Accidents and serious or fatal injuries could result.  

Switch the mobile navigation system off in such cases.  

Outside mirrors