316 SAFETY
Service FCW Warning
If the system turns off, and the instrument
cluster displays:
ACC/FCW Unavailable Service Required
Cruise/FCW Unavailable Service Required
This indicates there is an internal system fault.
Al
though the vehicle is still drivable under
normal conditions, have the system checked by
an authorized dealer.
TIRE PRESSURE MONITORING SYSTEM
(TPMS)
The Tire Pressure Monitoring System (TPMS)
will warn the driver of a low tire pressure based
on the vehicle recommended cold placard
pressure.
NOTE:
The alert warning on the cluster will stay on until
th
e tire is inflated to the placard pressure.
The tire pressure will vary with temperature by
ap
proximately 1 psi (7 kPa) for every 12°F
(6.5°C). This means that when the outside
temperature decreases, the tire pressure will
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
ho
ur period. The cold tire inflation pressure
must not exceed the maximum inflation
pressure molded into the tire sidewall. The tire
pressure will also increase as the vehicle is
driven. This is normal and there should be no
adjustment for this increased pressure.
See Ú page 426 on how to properly inflate the
vehicle’s tires.
The TPMS will warn the driver of a low tire
pr
essure if the tire pressure falls below the
low-pressure warning limit for any reason,
including low temperature effects and natural
pressure loss through the tire.
The TPMS will continue to warn the driver of low
ti
re pressure as long as the condition exists,
and will not turn off until the tire pressure is at
or above the recommended cold placard
pressure. Once the low tire pressure warning
(Tire Pressure Monitoring System Warning
Light) illuminates, you must increase the tire
pressure to the recommended cold placard
pressure in order for the TPMS Warning Light to
turn off.
The system will automatically update and the
TP
MS 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
fo
r the TPMS to receive this information.
For example, your vehicle may have a
re
commended 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
en
ough to turn on the TPMS Warning Light.
Driving the vehicle may cause the tire pressure
to rise to approximately 28 psi (193 kPa), but
the TPMS Warning Light will still be on. In this
situation, the TPMS Warning Light will turn off
only after the tires are inflated to the vehicle’s
recommended cold placard pressure value.
NOTE:
When filling warm tires, the tire pressure may
ne
ed to be increased up to an additional 4 psi
(28 kPa) above the recommended cold placard
pressure in order to turn the TPMS Warning
Light off.
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