Jeep Wrangler2018 Owner's Manual page 232

230 SAFETY
new pressure value instead of dashes (- -), 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.
Vehicles With a Full Size Matching Spare
1. 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.
2. In the event that the matching full-size spare tire is
swapped with a low pressure road tire, the next ignition
switch cycle will still show the Tire Pressure Monitoring
Telltale Light to be on, a chime to sound, an Inflate to XX
message to appear in the instrument cluster, and the
graphic display will still show the low tire pressure
value in a different color.
3. Driving the vehicle for up to 20 minutes above 15 mph
(24 km/h) will turn off the Tire Pressure Monitoring
Telltale Light as long as none of road tires are below the
low pressure warning threshold.
TPMS Deactivation — If Equipped
The TPMS can be deactivated if replacing all four wheel
and tire assemblies (road tires) with wheel and tire assem-
blies that do not have TPMS sensors, such as when
installing winter wheel and tire assemblies on your vehicle.
To deactivate the TPMS, first replace all four wheel and tire
assemblies (road tires) with tires not equipped with Tire
Pressure Monitoring (TPM) Sensors. Then, drive the ve-
hicle for 20 minutes above 15 mph (24 km/h). The TPMS
will chime, the TPM Telltale Light will flash on and off for
75 seconds and then remain on. The instrument cluster will
display the "SERVICE TIRE PRESSURE SYSTEM" message
and then display dashes (--) in place of the pressure values.
Beginning with the next ignition cycle, the TPMS will no
longer chime or display the "SERVICE TIRE PRESSURE
SYSTEM" message in the instrument cluster but dashes (--)
will remain in place of the pressure values.
To reactivate the TPMS, replace all four wheel and tire
assemblies (road tires) with tires equipped with TPMS
sensors. Then, drive the vehicle for up to 20 minutes above
15 mph (24 km/h). The TPMS will chime, the TPM Telltale
Light will flash on and off for 75 seconds and then turn off.
The instrument cluster will display the "SERVICE TIRE
PRESSURE SYSTEM" message and then display pressure