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OPERATING YOUR VEHICLE
80J23-03E
The low tire pressure warning light can
come on due to normal causes such as
natural air leaks and pressure changes
caused by changes in temperature or
atmospheric pressure. Adjusting the air
pressure in the tires to the pressure shown
on the tire information placard should
cause the low tire pressure warning light to
turn off.
If the light turns on again shortly after
adjusting the pressure in your tires, you
may have a flat tire. If you have a flat tire,
replace it with the spare tire. Refer to
“Jacking Instructions” in the “EMER-
GENCY SERVICE” section. Refer to
“Replacing Tires and/or Wheels” for
instructions on how to restore normal oper-
ation of the tire pressure monitoring sys-
tem after you have had a flat tire.
NOTE:
• When the tire inflation pressure is
adjusted in high altitude areas, the low
tire pressure light may not turn off even
after tire inflation pressure adjustment.
In this case, adjust the inflation pressure
to a slightly higher pressure than is
shown on the tire information placard.
• The low tire pressure warning light may
turn off temporarily after coming on. This
could be due to surface temperature
increases after long distance driving or
traveling to a high temperature area.
Even if the tire pressure warning light
turns off after coming on, make sure to
check the inflation pressure of all tires.
• To reduce the chance that the low tire
pressure warning light will come on due
to normal changes in temperature and
atmospheric pressure, it is important to
check and adjust the tire pressures
when the tires are cold. Tires that
appear to be at the specified pressure
when checked after driving, when the
tires are warm, could have pressure
below the specification when the tires
cool down. Also, tires that are inflated to
the specified pressure in a warm garage
may have pressure below the specifica-
tion when the vehicle is driven outside in
very cold temperature. If you adjust the
tire pressure in a garage that is warmer
than the outside temperature, you
should add 1 psi to the recommended
cold tire inflation pressure for every 10°F
difference between garage temperature
and outside temperature.
For tire inflation pressure information, refer
to “Tire Inflation Pressure” in the “INSPEC-
TION AND MAINTENANCE” section.
TPMS Malfunction Indicator
WARNING
Your vehicle has also been equipped
with a TPMS malfunction indicator to
indicate when the system is not oper-
ating properly.
WARNING
The TPMS malfunction indicator is
combined with the low tire pressure
telltale. When the system detects a
malfunction, the telltale will flash for
approximately one minute and then
remain continuously illuminated.
This sequence will continue upon
subsequent vehicle start-ups as long
as the malfunction exists.