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SAFETY 149
an accurate tire pressure gauge, even if
underinflation has not reached the level to
trigger illumination of the TPMS Warning
Light.
Seasonal temperature changes will affect
tire pressure, and the TPMS will monitor the
actual tire pressure in the tire.
System Operation
The Tire Pressure Monitoring System (TPMS)
uses wireless technology with wheel rim
mounted electronic sensors to monitor tire
pressure levels. Sensors, mounted to each
wheel as part of the valve stem, transmit tire
pressure readings to the receiver module.
Tire Pressure Monitoring Display
NOTE:
It is particularly important for you to check the
tir
e pressure in all of the tires on your vehicle
monthly and to maintain the proper pressure.
The TPMS consists of the following
com
ponents:
Receiver module
Four Tire Pressure Monitoring sensors
Various Tire Pressure Monitoring System
messages, which display in the instrument
cluster
Tire Pressure Monitoring telltale light
Tire Pressure Monitoring Low Pressure Warn-
ings
The TPMS Warning Light will
illuminate in the instrument cluster
a
nd
a chime will sound when tire
pressure is low in one or more of the four active
road tires. In addition, the instrument cluster
will display a "Tire Low" message for a minimum
of five seconds, an "Inflate to XX" message and
a graphic showing the pressure values of each
tire with the low tire pressure values in a
different color.
Tire Pressure Monitoring Low Pressure Warning
Should this occur, you should stop as soon as
pos
sible and inflate the tires with low pressure
(those in a different color in the instrument
cluster graphic) to the vehicle’s recommended
cold placard pressure value as shown in the
"Inflate to XX" message. Once the system
receives the updated tire pressures, the system
will automatically update, the pressure values
in the graphic display in the instrument cluster
will return to their original color, and the TPMS
Warning Light will turn off.
4
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