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How to Check
Use a good quality pocket-type gage to check tire
pressure. You cannot tell if your tires are properly
inflated simply by looking at them. Radial tires may look
properly inflated even when they are under-inflated.
Check the tire’s inflation pressure when the tires
are cold. Cold means your vehicle has been sitting for
at least three hours or driven no more than
1 mile (1.6 km).
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.
Check Tire Pressure System
Your vehicle may have a check tire pressure system
that can alert you to a large change in the pressure of
one tire. The system won’t alert you before you drive
that a tire is low or flat. You must begin driving before
the system will work properly.
The LOW TIRE PRESSURE HOLD SET TO RESET
message will appear on the Driver Information
Center (DIC) and the LOW TIRE PRESSURE message
will come on the message center if pressure difference, or
low pressure, is detected in one tire. In the following
conditions, the LOW TIRE PRESSURE message may not
come on even if the tire pressure is low, or it may come
on when the tire pressure is actually normal:
• More than one tire is low
• Only one tire is replaced with a new tire
during service
• The vehicle is moving faster than
70 mph (113 km/h)
• The system is not yet calibrated
• The tire treadwear is uneven
• The compact spare tire is installed
• Tire chains are being used
• The vehicle is being driven on a rough or frozen road
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