304 SAFETY
When Tire Fill Alert mode is entered, the tire
pressure display screen will be displayed in the
instrument cluster.
Operation:
The horn will chirp once to let the user know
when to stop filling the tire, when it reaches
recommended pressure.
The horn will chirp three times if the tire is
overfilled and will continue to chirp every five
seconds if the user continues to inflate the
tire.
The horn will chirp once again when enough
air is let out to reach proper inflation level.
The horn will also chirp three times if the tire
is then underinflated and will continue to
chirp every five seconds if the user continues
to deflate the tire.
Selectable Tire Fill Alert (STFA)— If Equipped
The STFA system is an optional feature that is
included as part of the normal Tire Fill Alert
system. The system is designed to allow you to
select a pressure to inflate or deflate the
vehicle's front and rear axle tires to, and to
provide feedback while inflating or deflating the
vehicle's tires.
In the Selectable Tire Fill Alert application,
which is located in the apps menu of the
Uconnect system, you will be able to select a
pressure setting for both the front and rear axle
tire pressures by scrolling through a pressure
range from XX to 15 psi in 1 psi increments for
each axle setting.
XX = the vehicle's cold placard pressure values
for the front and rear axles as shown on the
vehicle placard pressure label.
You may also store pressure values chosen for
each axle in the Uconnect system application as
preset pressure values. Up to two sets of preset
pressure values can be stored in the Uconnect
system for the front and rear axle. Once you
select the tire pressures for the front and rear
axles that you want to inflate or deflate to, you
can begin inflating or deflating one tire at a
time.
NOTE:
The STFA system will only support inflating or
deflating one tire at a time.
The system will be activated when the TPMS
receiver module detects a change in tire
pressure. The ignition must be in the ON/RUN
mode, with the transmission in PARK in vehicles
with an automatic transmission, and in
NEUTRAL with the parking brake engaged in
vehicles with a manual transmission. The
hazard lamps will come on to confirm the
vehicle is in Tire Fill Alert mode.
When Tire Fill Alert Mode is entered, the tire
pressure screen will be displayed in the
instrument cluster. If the hazard lamps do not
come on while inflating or deflating the tire, the
Tire Pressure Monitoring System sensor may be
in an inoperative position, preventing the TPMS
sensor signal from being received. In this case,
the vehicle may need to be moved slightly
forward or backward.
Horn chirps will indicate STFA status as tires are
inflated/deflated. The horn will chirp under the
following STFA states:
1. The horn will chirp once when the selected
pressure is reached to let you know when
to stop inflating or deflating the tire.
2. The horn will chirp three times if the tire is
over-inflated or over-deflated.
3. The horn will chirp once again when enough
air is added or removed to reach proper
selected pressure level.
21_JL_OM_EN_USC_t.book Page 304
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