User Manual - Page 245

For 2019 Wrangler Unlimited.

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SAFETY 243
General Information
The following regulatory statement applies to all Radio
Frequenc
y (RF) devices equipped in this vehicle:
This device complies with Part 15 of the FCC Rules and with
I
n
dustr
y Canada license-exempt RSS standard(s). Operation
is subject to the following two conditions:
1. This device may not cause harmful interference.
2. This
device must accept any interference received,
includ
ing interference that may cause undesired opera-
tion.
NOTE:
Changes or modifications not expressly approved by the
p
arty re
sponsible for compliance could void the user’s
authority to operate the equipment.
Tire Pressure Monitor System (TPMS)
The Tire Pressure Monitor System (TPMS) will warn the
driver of a low tire pressure based on the vehicle recom-
mended cold placard pressure.
NOTE:
The alert warning on the cluster will stay on until the tire is
i
nflate
d to the placard pressure.
The tire pressure will vary with temperature by approxi-
mately 1 psi (7 kPa) for every 12°F (6.5°C). This means that
when the
outside temperature decreases, the tire pressure
will decrease. Tire pressure should always be set based on
cold inflation tire pressure. This is defined as the tire pres
-
sure after the vehicle has not been driven for at least three
h
ours,
or driven less than 1 mile (1.6 km) after a three hour
period.
The cold tire inflation pressure must not exceed the
maximum inflation pressure molded into the tire sidewall.
Refer to “Tires” in “Servicing And Maintenance” for infor
-
mation on how to properly inflate the vehicle’s tires. The tire
p
ressur
e 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 pr
essure falls below the low-pressure warning limit for
any reason, including low temperature effects and natural
pressure loss through the tire.
The TPMS will continue to warn the driver of low tire pres-
sure as long as the condition exists, and will not turn off until
t
he tir
e pressure is at or above the recommended cold
placard pressure. Once the low tire pressure warning (Tire
Pressure Monitoring System Warning Light) illuminates,
you must increase the tire pressure to the recommended cold
placard pressure in order for the TPMS Light to turn off.
4
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