Activating HDC

Press the button; the LED above
the button
lights up.
See also:
Requests
Do not use the voice activation system to initiate an Emergency Request. In stressful
situations, the voice and vocal pitch can change. This can unnecessarily delay the
establishment of a telephon ...
Message when the system was not
reset
A Check Control message is displayed.
The system detected a wheel change but was
not reset.
Warnings regarding the current tire inflation
pressure are not reliable.
Check the tire inflation pre ...
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 ...
