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 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:
While climbing a grade
When driving up a hill, undesired upshift to 4th gear is prevented from taking place when the accelerator is released. This minimizes the chance of subsequent downshifting to a lower gear when acceler ...
Fan speed control dial
The fan operates only when the ignition switch is turned to the “ON” position.
The fan speed control dial is used to select four fan speeds. ...
Parking brake warning
The light illuminates with the parking brake applied while the ignition switch is in the “ON” position. It turns off when the parking brake is fully released. ...