476 Technical termsTire speed rating
Part of a tire designation; indicates the 
speed range for which a tire is ap-
proved.
Traction
Force exerted by the vehicle on the 
road via the tires.
Vehicle level control
The ground clearance of the vehicle is 
automatically controlled according to a 
selected setting and speed.The driver 
can set the ground clearance manually 
for example on very rough roads.
VIN
(V
ehicle I
dentification N
umber)
The number set by the manufacturer 
and placed on the body to uniquely 
identify each vehicle produced.
Voice control system*
Voice control system for car phones, 
portable cell phones and audio sys-
tems (radio, CD, etc.).