Mazda mx-5 2008 Manual page 179

If the warning light illuminates again even
after the tire pressures are adjusted, there
may be a tire puncture.
Refer to Vehicle with run-flat tires on
page 7-3.
Warning light flashes
When the warning light flashes, there may
be a system malfunction. Consult an
Authorized Mazda Dealer.
qFlat Tire Warning Light
This warning light illuminates for a few
seconds when the ignition switch is turned
to the ON position.
Warning light illuminates/Warning
beep sounds
If the tire pressures decrease extremely
after the TPMS warning light has
illuminated, or if a tire is punctured, the
flat tire warning light also illuminates, and
a beep sound will be heard for
approximately 30 seconds.
Refer to Vehicle with run-flat tires on
page 7-3.
Starting and Driving
qSystem Error Activation
When the TPMS warning light flashes,
there may be a system malfunction.
Consult an Authorized Mazda Dealer.
A system error activation may occur in
the following cases:
When there is equipment or a device
l
near the vehicle using the same radio
frequency as that of the tire pressure
sensors.
When a metallic device such as a non-
l
genuine navigation system is equipped
near the center of the dashboard, which
may block radio signals from the tire
pressure sensor to the receiver unit.
When using the following devices in
l
the vehicle that may cause radio
interference with the receiver unit.
A digital device such as a personal
l
computer.
A current converter device such as a
l
DC-AC converter.
When excess snow or ice adheres to
l
the vehicle, especially around the
wheels.
When the tire pressure sensor batteries
l
are exhausted.
When using a wheel with no tire
l
pressure sensor installed.
When using tires with steel wire
l
reinforcement in the side walls.
When using tire chains.
l
qTires and Wheels
CAUTION
When inspecting or adjusting the tire
air pressures, do not apply excessive
force to the stem part of the wheel
unit. The stem part could be
damaged.
Driving Your Mazda
5-31