Menu navigation
You can use the thumbwheel and buttons 1 to navigate through the menus.
▷ Turn the thumbwheel: select a menu item.
▷ Press the arrow buttons: change between
fields.
▷ 
Press the button: activate the
menu item.
See also:
What to do if...
▷ The current transmission position cannot be
displayed?
The vehicle is located in an unrecognized
region, is in a poor reception area, or the
system is currently determining the position ...
Front fog lamps
The parking lamps or low beams must be
switched on.
Press the button. The green
indicator
lamp lights up.
If the automatic headlamp control, is activated, the low beams will come
on automat ...
Tire size
Example: 255/55 R 19 107 V
255: nominal width in mm
55: aspect ratio in %
R: radial tire code
19: rim diameter in inches
107: load rating, not for ZR tires
V: speed rating, before the R on ZR ti ...