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color on the graphic display to the vehicle’s recommended
cold tire pressure inflation value. The system will auto-
matically update, the graphic display of the pressure
value(s) will no longer be highlighted or shown in a
different color and the Tire Pressure Monitoring Telltale
Light will extinguish once the updated tire pressure(s)
have been received.
NOTE: When filling warm tires, the tire pressure may need
to be increased up to an additional 4 psi (30 kPa) above the
recommended cold placard pressure in order to turn the
Tire Pressure Monitoring Telltale Light off.
The vehicle may need to be driven for up to 20 minutes
above 15 mph (24 km/h) to receive this information.
Service TPM System Warning
The “Tire Pressure Monitoring Telltale Light” will flash on
and off for 75 seconds, and remain on solid when a system
fault is detected. The system fault will also sound a chime.
The instrument cluster will display a “SERVICE TPM
SYSTEM” message for a minimum of five seconds. This
message is then followed by a graphic display, with “- -“ in
place of the pressure value(s), indicating which Tire Pres-
sure Monitoring Sensor(s) is not being received.
If the ignition switch is cycled, this sequence will repeat,
providing the system fault still exists. If the system fault no
longer exists, the “Tire Pressure Monitoring Telltale Light”
will no longer flash, the ⬙SERVICE TPM SYSTEM⬙ message
will not be present, and a pressure value will be displayed
instead of dashes. A system fault can occur by any of the
following:
• Jamming due to electronic devices or driving next to
facilities emitting the same Radio Frequencies as the
TPM sensors.
• Installing some form of aftermarket window tinting that
affects radio wave signals.
• Lots of snow or ice around the wheels or wheel hous-
ings.
• Using tire chains on the vehicle.
• Using wheels/tires not equipped with TPM sensors.
NOTE:
•
If your vehicle is equipped with a matching full-size spare
wheel and tire assembly, it has a tire pressure monitoring
sensor, and can be monitored by the Tire Pressure Moni-
toring System (TPMS) when swapped with a low pres-
sure road tire. In the event that the matching full-size
228 SAFETY
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