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 tires

Speed letter

Q = up to 100 mph/160 km/h
T = up to 118 mph/190 km/h
H = up to 131 mph/210 km/h
V = up to 150 mph/240 km/h
W = up to 167 mph/270 km/h
Y = up to 186 mph/300 km/h

    See also:

    Drive-off assistant
    This system supports driving away on gradients. The parking brake is not required. 1. Hold the vehicle in place with the foot brake. 2. Release the foot brake and drive away without delay. Afte ...

    Opening the list of traffic bulletins
    1. "Navigation" 2. "Map" 3. "Traffic Info" First, traffic bulletins for the calculated route are displayed. The traffic bulletins are sorted by their distance ...

    Lane information
    On multi-lane roads, the recommended lanes are marked in the arrow view by a triangle. ▷ Solid triangle: best lane. ▷ Empty triangle: possible lane. However, another lane change may ...