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SAFETY
116
(Continued)
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. There-
fore, if insufficient tire pressure is indicated by
the ( ) warning light displaying in the instru-
ment cluster, increase the inflation pressure
up to the prescribed cold inflation value.
The system will automatically update, and the
Tire Pressure Monitoring Warning 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.
NOTE:
The TPMS cannot indicate sudden tire pres-
sure drops (e.g. if a tire bursts). In this case,
proceed with caution and avoid abrupt
steering.
Operating Example
For example, your vehicle may have a recom-
mended 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 Moni-
toring Warning Light. Driving the vehicle may cause
the tire pressure to rise to approximately 28 psi
(193 kPa), but the Tire Pressure Monitoring
Warning 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.
Insufficient Tire Pressure Indication
If an insufficient pressure value is detected on
one or more tires, the warning light in the
instrument cluster will display alongside the
dedicated messages, the system will highlight
the tire or tires with insufficient pressure
graphically, and an acoustic signal will be
emitted.
In this case, stop the vehicle, check the infla-
tion pressure of each tire, and inflate the
necessary tire or tires to the correct cold infla-
tion pressure value, shown on the display or in
the dedicated TPMS menu.
CAUTION!
The TPMS has been optimized for the orig-
inal equipment tires and wheels. TPMS
pressures and warning have been estab-
lished for the tire size equipped on your
vehicle. Undesirable system operation or
sensor damage may result when using
replacement equipment that is not of the
same size, type, and/or style. The TPM
sensor is not designed for use on after-
market wheels and may contribute to a
poor overall system performance or
sensor damage. Customers are encour-
aged to use OEM wheels to assure proper
TPM feature operation.
Using aftermarket tire sealants may cause
the Tire Pressure Monitoring System
(TPMS) sensor to become inoperable.
After using an aftermarket tire sealant it is
recommended that you take your vehicle
to an authorized dealer to have your
sensor function checked.
After inspecting or adjusting the tire pres-
sure always reinstall the valve stem cap.
This will prevent moisture and dirt from
entering the valve stem, which could
damage the TPMS sensor.
CAUTION! (Continued)
20_GA_OM_EN_USC_t.book Page 116
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