User Manual - Page 257

For 2021 GRAND CHEROKEE L.

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SAFETY 255
Tire Pressure Monitoring System Display
NOTE:
It is particularly important for you to regularly
check the tire pressure in all of your tires and to
maintain the proper pressure.
The Tire Pressure Monitoring System (TPMS)
consists of the following components:
Receiver module
Four Tire Pressure Monitoring System
sensors
Various Tire Pressure Monitoring System
messages, which display in the instrument
cluster, and a graphic displaying tire pres-
sures
TPMS Warning Light
Tire Pressure Monitoring System Low
Pressure Warnings
The TPMS Warning Light will illuminate
in the instrument cluster, and an
audible chime will be activated, when
one or more of the four active road tire
pressures are low. In addition, the instrument
cluster will display an "Inflate to XX" message
and a graphic display of the pressure value(s)
with the low tire(s) in a different color
Ú page 98.
NOTE:
Your system can be set to display pressure units
in PSI, BAR, or kPa.
Low Tire Pressure Monitoring System Display
Should a low tire condition occur on any of the
four active road tire(s), you should stop as soon
as possible, and inflate the low tire(s) that is in
a different color on the graphic display to the
vehicle’s recommended cold tire pressure
displayed in the “Inflate to XX” message.
NOTE:
When filling warm tires, the tire pressure may
need to be increased up to an additional 4 psi
(28 kPa) above the recommended cold placard
pressure in order to turn the TPMS Warning Light
off.
The system will automatically update, the graphic
display of the pressure value(s) will return to its
original color and the TPMS Warning Light will
extinguish once the updated tire pressure(s)
have been received. The system will
automatically update the graphic display of the
pressure value(s) and will return to its original
color. The TPMS Warning Light will extinguish
once the updated tire pressure(s) have been
received in the case when the ignition is ON. In
the case when the ignition is OFF, the ignition on
the vehicle has to be turned ON and may need to
be driven for up to 20 minutes above 15 mph
(24 km/h) to receive this information for the
pressure value(s) to be updated.
6
21_WL_OM_EN_USC_t.book Page 255
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