Treadwear

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 (1 1/2) times as well on the government course as a tire graded 100.
The relative performance of tires depends upon 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:
Car phone or CB radio
When installing a car phone or a CB radio
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Ride & Handling
Though firmer than some in its segment — the Mercedes C-Class, for one — the
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Shifting
Shifting
To move the selector lever,
After starting the engine, fully depress the brake pedal and shift the selector lever from P (Park) to R (Reverse), N (Neutral), D (Drive), DS (Drive Sport) ...
