External devices
At a glance

See also:
The concept
The system issues a two-phase warning of a
danger of collision at speeds above approx.
10 mph/15 km/h. The time of these warnings
may vary depending on the current driving situation.
The collisi ...
Brake force display
The concept
▷ During normal brake application, the outer
brake lamps light up.
▷ During heavy brake application, the inner
brake lamps light up in addition. ...
Warning stages
Prewarning
This warning is issued, for example, when there
is the impending danger of a collision or the distance
to the vehicle ahead is too small.
Acute warning with braking function
Warning ...
