See also:

Interior rearview mirror
Reducing the blinding effect Reducing the blinding effect From behind when driving at night: turn the knob. ...

For US customers
The following only applies to vehicles owned and operated in the US. If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediate ...

Deactivating HDC
Press the button again and the LED goes out. HDC is automatically deactivated above approx. 37 mph/60 km/h. ...