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Tire Pressure Monitor System
The Tire Pressure Monitor System (TPMS) uses
radio and sensor technology to check tire pressure
levels. If your vehicle has this feature, sensors
are mounted on each tire and wheel assembly,
except for the compact spare tire and wheel. The
TPMS sensors monitor the air pressure in your
vehicle’s tires and transmit the tire pressure
readings to a receiver located in the vehicle. The
TPMS is designed to alert the driver if a low
pressure condition exists.
Using the Driver Information Center (DIC), the
driver can also check tire pressure levels using the
DIC. For additional information and details about
the DIC operation and displays see DIC Controls
and Displays on page 215 and DIC Warnings
and Messages on page 220.
When a low tire pressure condition is detected,
the TPMS illuminates the low tire pressure warning
symbol located in the instrument panel cluster,
and at the same time a DIC message to check the
pressure in a specific tire also appears on the
DIC display. The low tire pressure warning symbol
and the CHECK TIRE PRESSURE message on
the DIC display appear at each ignition cycle until
the tires are inflated to the correct inflation
pressure.
You may notice, during cooler weather conditions,
the low tire pressure warning light and DIC
warning message may come on when the vehicle
is first started, and then turn off as you start to
drive. This could be an early indicator that the air
pressure in the tire(s) is getting low and needs
to be inflated to the proper pressure.
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