Moisture
Accumulation of sand, dirt and water on the vehicle body underside can accelerate corrosion.
Wet floor coverings will not dry completely inside the vehicle, and should be removed for drying to avoid floor panel corrosion.
See also:
Uniform tire quality grading
DOT (Department of Transportation) Quality
Grades: All passenger car tires must conform to
federal safety requirements in addition to these
grades.
Quality grades can be found where applicable ...
General maintenance
During the normal day-to-day operation of the
vehicle, general maintenance should be performed
regularly as prescribed in this section. If
you detect any unusual sounds, vibrations or
smells, ...
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 wou ...