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General Information
This vehicle has systems that operate on
radio frequency that comply with Part
15 of the Federal Communications
Commission (FCC) rules and with
Industry Canada Standards RSS-
GEN/210/220/310.
Operation is subject to the following two
conditions:
1. The device may not cause harmful
interference.
2. The device must accept any
interference received, including
interference that may cause undesired
operation of the device.
Changes or modifications to any of these
systems by other than an authorized
service facility could void authorization
to use this equipment.
Tire Pressure Monitoring System
(TPMS)
This vehicle is equipped with a Tire
Pressure Monitoring System (TPMS) that
sends the inflation pressure information
of each tire to the control unit, and will
signal the driver in the event of
insufficient tire pressure.
Tire pressure will vary with temperature
by approximately 1 psi (7 kPa) for every
12°F (6.5°C). This means that when the
outside temperature decreases, the tire
pressure will also decrease. Tire pressure
should always be set based on cold
inflation tire pressure. This is defined as
the tire pressure after the vehicle has not
been driven for at least three hours, or
driven less than 1 mile (1.6 km) after a
three hour period. The cold tire inflation
pressure must not exceed the maximum
inflation pressure molded into the tire
sidewall. Refer to “Tires” in “Servicing
And Maintenance” for information on
how to properly inflate the vehicle’s tires.
The tire pressure will also increase as the
vehicle is driven. This is normal, and there
should be no adjustment for this
increased pressure.
The TPMS will signal the driver if
pressure falls below the warning limit for
any reason, including the effects of low
temperature and normal loss of pressure
from the tire.
The TPMS will stop indicating insufficient
tire pressure when pressure is equal to or
greater than the prescribed cold inflation
level. Therefore, if insufficient tire
pressure is indicated by the (
) warning
light displaying in the instrument cluster,
increase the inflation pressure up to the
prescribed cold inflation value.
The system will automatically update,
and the “Tire Pressure Monitoring Telltale
Light” will turn off once the system
receives the updated tire pressures. The
vehicle may need to be driven for up to
20 minutes above 15 mph (24 km/h) in
order for the TPMS to receive this
information.
Operating Example
For example, your vehicle may have a
recommended cold (parked for more than
three hours) placard pressure of 33 psi
(227 kPa). If the ambient temperature is
68°F (20°C), and the measured tire
pressure is 28 psi (193 kPa), a
temperature drop to 20°F (-7°C) will
decrease the tire pressure to
approximately 24 psi (165 kPa).This tire
pressure is low enough to turn on the
“Tire Pressure Monitoring Warning Light.”
Driving the vehicle may cause the tire
pressure to rise to approximately 28 psi
(193 kPa), but the “Tire Pressure
Monitoring Telltale Light” will still be on.
In this situation, the “Tire Pressure
Monitoring Warning Light” will turn off
only after the tires are inflated to the
vehicle’s recommended cold placard
pressure value.
102
SAFETY
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