User Manual - Page 223

For 2018 JEEP WRANGLER JK.

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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 Monitoring System (TPMS) when swapped
with a low pressure road tire. In the event that the
matching full-size spare tire is swapped with a low
pressure road tire, the next ignition key cycle will still
show the TPMS Warning Light to be ON, and a chime to
sound. Driving the vehicle for up to 20 minutes above
15 mph (24 km/h) will turn OFF the TPMS Warning
Light as long as none of the road tires are below the low
pressure warning threshold.
If your vehicle is not equipped with a matching full-size
spare wheel and tire assembly, it does not have a tire
pressure monitoring sensor in the spare tire. The TPMS
will not be able to monitor the tire pressure. If you install
the spare tire in place of a road tire that has a pressure
below the low-pressure warning limit, upon the next
ignition key cycle, a chime will sound and the TPMS
Warning Light will turn ON. After driving the vehicle
for up to 20 minutes above 15 mph (24 km/h), the TPMS
Warning Light will flash on and off for 75 seconds and
then remain on solid. For each subsequent ignition key
cycle, a chime will sound and the TPMS Warning Light
will flash on and off for 75 seconds and then remain on
solid. Once you repair or replace the original road tire,
and reinstall it on the vehicle in place of the spare tire,
the TPMS will update automatically and the TPMS
Warning Light will turn OFF, as long as no tire pressure
is below the low-pressure warning limit in any of the
four active road tires. 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.
5
SAFETY 221
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