Tread wear
The tread wear grade is a comparative rating based on the wear rate of the tire when tested under controlled conditions on a specified U.S. Government test course. For example, a tire graded 150 would wear one and one-half times as well on the government course as a tire graded 100.
The relative performance of tires depends upon the actual conditions of their use, however, and may depart significantly from the norm, due to variations in driving habits, service practices and differences in road characteristics and climate conditions.
See also:
Front air bags
The front air bags increase protection for the
driver's and front-passenger's head and
chest.
Driver's air bag 1 deploys in front of the
steering wheel; front-passenger front air
bag 2 deploys ...
Problems with the seat heating
The seat heating has switched off
prematurely or cannot be switched on. The
vehicle's electrical system voltage is too low
because too many electrical consumers are
switched on.
Switch off e ...
NECK-PRO head restraints
Resetting the NECK-PRO head
restraints
requires a lot of strength. If you have
difficulty resetting the NECK-PRO head
restraints, have this work carried out at a
qualified specialist worksh ...