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Improper inflation pressures can cause uneven wear patterns to
develop across the Tyre tread. These abnormal wear patterns will
reduce tread life resulting in a need for earlier Tyre replacement.
Under inflation also increases Tyre rolling resistance and results in
higher fuel consumption.
The proper cold Tyre inflation pressure is listed in the Tyre
Label (Vehicle Placard), located on the front passenger side
inner B-pillar.
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The Tyre pressure should be checked and adjusted, as well as
inspected for signs of Tyre wear or visible damage, at least once a
month. Use a good quality pressure gauge to check Tyre pressure.
Do not make a visual judgement when determining proper inflation.
Radial Tyres may look properly inflated even when they are
underinflated. At the same time, each Tyre should be inspected for
signs of Tyre wear or visible damage.
Inflation pressures specified on the placard are always cold Tyre
inflation pressures. Cold Tyre inflation pressure is defined as the
Tyre pressure after the vehicle has not been driven for at least
three hours, or driven less than 1 km after a three-hour period.
Check Tyre pressures more often if subject to a wide range of
outdoor temperatures, as Tyre pressures vary with temperature
changes. Tyre pressures change by approximately 1 psi (7 kPa) per
7° C of air temperature change. Keep this in mind when checking
Tyre pressure inside a garage, especially in the winter.
When it was new, the spare Tyre in your vehicle was fully inflated.
However, a spare Tyre can lose pressure over time. In order to
avoid being stranded, check the spare Tyre air pressure frequently.
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Safe operation of your vehicle requires that your Tyres are properly
inflated. Remember that a Tyre can lose up to half of its air
pressure without appearing flat.
At least once a month or before long trips, inspect each Tyre and
check the Tyre pressure with a Tyre gauge (including spare Tyre).
Inflate all Tyres to the recommended inflation pressure.
Under-inflation is the most common cause of Tyre failures and
may result in severe Tyre cracking, tread separation or
“blowout,” with unexpected loss of vehicle control and increased
risk of injury. Under-inflation increases sidewall flexing and
rolling resistance, resulting in heat buildup and internal damage
to the Tyre. It also may result in unnecessary Tyre stress,
irregular wear, loss of vehicle control and accidents.
Always inflate your Tyres to the recommended pressure even if it is
less than the maximum inflation pressure information found on the
Tyre. The recommended Tyre inflation pressure is found on the Tyre
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