Remove the valve cap from the tire valve stem. Press
the tire gage firmly onto the valve to get a pressure
measurement. If the cold tire inflation pressure matches
the recommended pressure on the Tire and Loading
Information label, no further adjustment is necessary.
If the inflation pressure is low, add air until you reach the
recommended amount.
If you overfill the tire, release air by pushing on the
metal stem in the center of the tire valve. Re-check the
tire pressure with the tire gage.
Be sure to put the valve caps back on the valve stems.
They help prevent leaks by keeping out dirt and
moisture.
High Speed Operation
{CAUTION:
Driving at high speeds, 100 mph (160 km/h)
or higher, puts an additional strain on tires.
Sustained high-speed driving causes excessive
heat build up and can cause sudden tire failure.
You could have a crash and you or others
could be killed. Some high-speed rated tires
require inflation pressure adjustment for high
speed operation. When speed limits and road
conditions are such that a vehicle can be driven
at high speeds, make sure the tires are rated for
high speed operation, in excellent condition,
and set to the correct cold tire inflation pressure
for the vehicle load.
If you will be driving your vehicle at speeds of 100 mph
(160 km/h) or higher, where it is legal, set the cold
inflation pressure to the maximum inflation pressure
shown on the tire sidewall, or 35 psi (244 kPa),
whichever is lower. See the example following.
5-59
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