The concept

This system projects important information into the driver's field of vision, e.g., the speed.
In this way, the driver can get information without averting his or her eyes from the road.
See also:
Deleting all stored programs
Press both outer memory buttons 1 for approx.
20 seconds until the LED flashes rapidly.
All stored programs are deleted.
The programs cannot be deleted individually. ...
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 ...
Switching off automatically
The system switches off and the LED goes out:
▷ After approx. 160 ft/50 m when driving forward.
▷ Above approx. 22 mph/36 km/h when driving
forward.
Switch on the system again if nece ...
