Spark plugs
Replacing spark plugs
Platinum-tipped spark plugs
It is not necessary to replace platinum-tipped A
spark plugs as frequently as conventional type
spark plugs because they last much longer. Follow
the maintenance log shown in the Maintenance
and Schedules section of this manual. Do
not ser ...
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 ...