Buttons at a glance

1 System on/off, interrupt
2 Resume speed
3 Store speed*
4 Reduce distance
5 Store, maintain/change speed
6 Increase distance
See also:
Functional requirements
The system must have been initialized when the
tire inflation pressure was correct; otherwise,
reliable signaling of a flat tire is not ensured. Initialize
the system after each correction of th ...
Tire identification marks
Tire size
255/50 R 19 103 Y
255: nominal width in mm
50: aspect ratio in %
R: radial tire code
19: rim diameter in inches
103: load rating, not for ZR tires
Y: speed rating, before the R on ZR ...
Active head restraint
In the event of a rear-end collision with a certain
severity, the active head restraint automatically
reduces the distance from the head.
Reduced protective function
▷ Do not use seat or ...
