Mazda 2012 MX-5 Owner's Manual page 368

The Tire Pressure Monitoring System
does not alleviate the need to check the
tire condition every day, including
whether the tires all look inflated properly.
Inspect all tire pressure monthly when the
tires are cold. Maintain recommended
pressures for the best ride, handling, and
minimum tire wear.
When checking the tire pressures, use of a
digital tire pressure gauge is
recommended.
Refer to the specification charts (page
10-7).
NOTE
Always check tire pressure when tires are
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cold.
Warm tires normally exceed recommended
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pressures. Don't release air from warm tires
to adjust the pressure.
Underinflation can cause reduced fuel
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economy, uneven and accelerated tire wear,
and poor sealing of the tire bead, which
will deform the wheel and cause separation
of tire from rim.
Overinflation can produce a harsh ride,
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uneven and accelerated tire wear, and a
greater possibility of damage from road
hazards.
Keep your tire pressure at the correct
levels. If one frequently needs inflating,
have it inspected.
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qTire Rotation
WARNING
Rotate tires periodically:
Irregular tire wear is dangerous. To
equalize tread wear for maintaining
good performance in handling and
braking, rotate the tires according to
the scheduled maintenance charts.
Refer to Scheduled Maintenance on
page 8-3.
During rotation, inspect them for correct
balance.
NOTE
Because your vehicle is not equipped with a
spare tire, you cannot do a tire rotation safely
with the jack that comes with your vehicle.
Have an Authorized Mazda Dealer perform
tire rotation.
Forward
Do not include (TEMPORARY USE ONLY)
spare tire in rotation.
Also, inspect them for uneven wear and
damage. Abnormal wear is usually caused
by one or a combination of the following:
Incorrect tire pressure
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Improper wheel alignment
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Out-of-balance wheel
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Severe braking
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Maintenance and Care
Owner Maintenance
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Some models.
8-31