See also:

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 ...

At a glance
At a glance 1 Function bar 2 Route section with traffic obstruction 3 Traffic sign for traffic obstruction 4 Planned route 5 Current location 6 Upper status field 7 Lower status field Lines ...

The concept
The system does not measure the actual inflation pressure in the tires. It detects a pressure loss in a tire by comparing the rotational speeds of the individual wheels while moving. In the ev ...