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244 SAFETY
(Continued)
NOTE:
When filling warm tires, the tire pressure may need to be
increas
ed up to an additional 4 psi (28 kPa) above the recom-
mended cold placard pressure in order to turn the TPMS
W
arning
Light off.
The system will automatically update and the TPMS
W
a
rning
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) 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
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 need to be
i
ncreas
ed up to an additional 4 psi (28 kPa) above the recom-
mended cold placard pressure in order to turn the TPMS
W
arning
Light off.
CAUTION!
• T
he TPMS has been optimized for the original equip-
ment t
ires and wheels. TPMS pressures and warning
have bee
n established 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 aftermarket wheels,
and may contribute to a poor overall system perfor
-
mance. Customers are encouraged to use OEM wheels
to assur
e TPMS feature operation.
• Using aftermarket tire sealants may cause the Tire Pres-
sure M
onitoring System (TPMS) sensor to become
inoperab
le. After using an aftermarket tire sealant it is
recommended that you take your vehicle to an autho
-
rized dealer to have your sensor function checked.
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