P Metric
With the P-Metric system, Section Width is measured in millimeters.
To convert millimeters into inches, divide by 25.4. The Aspect Ratio (Section Height divided by Section Width) helps provide more dimensional information about the tire size.
Example:

(1) P = Certain tire type used on light duty vehicles such as passenger cars
(2) Section Width in millimeters
(3) Aspect Ratio (= section height 7 section width).
(4) R = Radial Construction
(5) Rim diameter in inches
See also:
Windshield washer fluid warning light
This light illuminates when the fluid level in the windshield washer fluid tank
decreases to the lower limit (approximately 0.6 US qt, 0.6 liter, 0.5 Imp qt). ...
Tire pressure monitoring system (TPMS) (U.S.-spec. models)
Turbo models
Non-turbo models
The tire pressure monitoring system provides the driver with a warning message by sending a signal from a sensor that is installed in each wheel when tire pressure is s ...
Repeating
Repeating is operated in the same way a CD is played. Refer to “Repeating” F5-28.
Each time you briefly press the “RPT/ RDM” button, the mode changes in the following sequence.
...
