The Treadwear grade is a comparative rating, based on the wear rate of the tire when tested under controlled conditions on a specified 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.
See also:
Wheels and tyres
Check the pressure of each tyre, including the spare, every two weeks and before
long journeys. The pressure should be checked with the tyre rested and cold.
For the correct tyre inflation pressu ...
Older Children And Child Restraints
Children who are two years old or who have outgrown their rear-facing convertible
child seat can ride forwardfacing in the vehicle. Forward-facing child seats and
convertible child seats used in t ...
Recommended Shift Speeds
To use your manual transmission for optimal fuel economy, it should be upshifted
as listed in the following table
...


