Lights
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 on
...
Measurement of weights
Secure loose items to prevent weight
shifts that could affect the balance of your
vehicle. When the vehicle is loaded, drive
to a scale and weigh the front and the rear
wheels separately to determ ...
Readiness for inspection/maintenance (I/M) test
Due to legal requirements in some states and
Canadian Provinces, your vehicle may be required
to be in what is called the “ready condition”
for an Inspection/Maintenance (I/M) test of
the emis ...