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 on the tire sidewall between tread shoulder and maximum section width. For example:
Treadwear 200 Traction AA Temperature A
See also:
Tachometer
The tachometer indicates engine speed in
revolutions per minute (RPM). Do not rev the
engine into the red zone1 .
CAUTION
When engine speed approaches the red
zone, shift to a higher gear or re ...
Before starting the engine
● Make sure the area around the vehicle is
clear.
● Check fluid levels such as engine oil, coolant,
brake fluid, and windshield-washer fluid
as frequently as possible, or at least when ...
Air fresheners
Most air fresheners use a solvent that could affect
the vehicle interior. If you use an air freshener,
take the following precautions:
● Hanging-type air fresheners can cause permanent
disco ...