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:
Driving on snowy and icy roads
To prevent skidding and slipping, avoid sudden braking, abrupt acceleration, highspeed driving, and sharp turning when driving on snowy or icy roads.
Always maintain ample distance between your vehic ...
If you park your vehicle in an emergency
The hazard warning flasher should be used in day or night to warn other drivers
when you have to park your vehicle under emergency conditions.
Avoid stopping on the road. It is best to safely pul ...
Driving on grades
- Before going down a steep hill, slow
down and shift into lower gear (if necessary,
use 1st gear) in order to utilize the
engine braking effect and prevent overheating
of your vehicle’s brake ...
