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:
Camera aiding sonar (parking sensor) (rear center sonar if so equipped)
The sonar (parking sensor) sounds a tone to inform the driver of obstacles near the bumper.
WARNING
● The sonar (parking sensor) is a convenience feature. It is not a substitute for proper p ...
Replacing spark plugs
Replacing spark plugs
If replacement is required, see an INFINITI retailer for servicing.
Iridium-tipped spark plugs
It is not necessary to replace the iridiumtipped spark plugs as frequently as ...
Most common factors contributing to vehicle corrosion
► The accumulation of moisture-retaining
dirt and debris in body panel sections,
cavities, and other areas.
► Damage to paint and other protective
coatings caused by gravel and sto ...