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:
Setting pair phone
Refer to “Preparation for using the Handsfree system”. ...
When “No song” is displayed (type D audio)
This message is displayed when no
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USB storage device/iPod®. Connect a
USB storage device/iPod® that has playable
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Gross Vehicle Weight (GVW) and Gross Vehicle Weight
Rating (GVWR)
Gross Vehicle Weight
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Rating (GVWR).
Gross Vehicle Weight (GVW) is the
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