User Manual - Page 221

For 2018 JEEP WRANGLER JK.

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Seasonal temperature changes will affect tire pressure,
and the TPMS will monitor the actual tire pressure in the
tire.
Base System
The Tire Pressure Monitor System (TPMS) uses wireless
technology with wheel rim-mounted electronic sensors to
monitor tire pressure levels. Sensors, mounted to each
wheel as part of the valve stem, transmit tire pressure
readings to the Receiver Module.
NOTE: It is particularly important for you to check the tire
pressure in all of your tires regularly and to maintain the
proper pressure.
The Tire Pressure Monitor System (TPMS) consists of the
following components:
Receiver Module
Four Tire Pressure Monitoring Sensors
Tire Pressure Monitoring System Warning Light
A tire pressure monitoring sensor is located in the spare
wheel if the vehicle is equipped with a matching full size
spare wheel and tire assembly. The matching full size spare
tire can be used in place of any of the four road tires. A low
spare tire will not cause the TPMS Warning Light to
illuminate or the chime to sound while stowed in the spare
location.
The TPMS Warning Light will illuminate in the
instrument cluster, a “LOW TIRE PRESSURE”
message will display in the instrument cluster,
and an audible chime will be activated when one
or more of the four active road tire pressures are low.
Should this occur, you should stop as soon as possible,
check the inflation pressure of each tire on your vehicle,
and inflate each tire to the vehicle’s recommended cold
placard pressure value. The system will automatically
update and the TPMS Warning Light will extinguish once
the updated tire pressures have been received. The vehicle
may need to be driven for up to 20 minutes above 15 mph
(24 km/h) to receive this information.
5
SAFETY 219
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