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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 warn the driver of a low tire pressure if the
tire pressure falls below the low pressure warning limit for
any reason, including low temperature effects, or natural
pressure loss through the tire.
The TPMS will continue to warn the driver of low tire
pressure as long as the condition exists, and will not turn off
until the tire pressure is at or above the recommended cold
tire pressure on the placard. Once the low tire pressure
warning (Tire Pressure Monitoring System Warning Light)
illuminates, you must increase the tire pressure to the
recommended cold tire pressure in order for the Tire Pressure
Monitoring System Warning Light to turn off. The system
will automatically update and the Tire Pressure Monitoring
System 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.
For example, your vehicle may have a recommended cold
(parked for more than three hours) tire pressure of 30 psi
(207 kPa). If the ambient temperature is 68°F (20°C) and the
measured tire pressure is 27 psi (186 kPa), a temperature
drop to 20°F (-7°C) will decrease the tire pressure to
approximately 23 psi (159 kPa). This tire pressure is suffi-
ciently low enough to turn on the Tire Pressure Monitoring
System Warning Light. Driving the vehicle may cause the
tire pressure to rise to approximately 27 psi (186 kPa), but
the Tire Pressure Monitoring System Warning Light will
still be on. In this situation, the Tire Pressure Monitoring
System Warning Light will turn off only after the tires are
inflated to the vehicle’s recommended cold tire pressure
value.
CAUTION!
• The TPMS has been optimized for the original
equipment tires and wheels. TPMS pressures and
warnings have been established for the tire size
equipped on your vehicle. Undesirable system op-
eration or sensor damage may result when using
replacement equipment that is not of the same size,
type, and/or style. Aftermarket wheels can cause
sensor damage. Using aftermarket tire sealants may
cause the Tire Pressure Monitoring System (TPMS)
sensor to become inoperable. After using an after-
market tire sealant it is recommended that you take
(Continued)
5
SAFETY 107
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