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314 SAFETY
System Limitations
The TTPMS may have difficulty transmitting through
steel-walled tires or on trailers longer than 30 ft. It is
recommended to use standard tires and trailers less than
30 ft long to avoid dropouts or difficulty when pairing.
NOTE:
The vehicle may not be driven until the pairing process is
complete.
Tire Fill Alert
This feature notifies the user when the placard tire
pressure is attained while inflating or deflating the tire.
The customer may choose to disable or enable the Tire Fill
Alert feature through use of the customer settings in the
radio.
NOTE:
Only one tire can be filled at a time when using the Tire
Fill Alert system.
The Tire Fill Alert feature cannot be entered if an
existing TPMS fault is set to “active” or if the system is
in deactivation mode (if equipped).
The system will be activated when the system detects an
increase of tire pressure, while filling the fire. The ignition
must be in the RUN mode, with the transmission in PARK
(P).
NOTE:
It is not required to have the engine running to enter Tire
Fill Alert mode.
The Hazard Warning Flashers will come on to confirm the
vehicle is in Tire Fill Alert mode.
If the Hazard Warning Flashers do not come on while
inflating the tire, the TPMS 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.
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.
NOTE:
After use, the TFA feature will NOT remain active after
ignition shut down. The feature will need to be re-enabled
when the vehicle is restarted
Ú page 226.
SELECTABLE TIRE FILL ALERT (STFA)
The Selectable Tire Fill Alert (STFA) system is an optional
feature that is included as part of the normal Tire Fill Alert
system. The system is designed to allow the customer to
select a pressure to inflate or deflate the vehicle's front
and rear axle tires to and to provide feedback to the
customer 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, the customer
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.
NOTE:
The Tire Fill Alert feature disables every time the ignition is
placed in the OFF position. The feature must be
re-enabled through the radio each time the ignition is
placed back in the ON/RUN position
Ú page 226.
The customer may also store the pressure values chosen
for each axle in the radio as a preset pressure. The
customer will be allowed to store up to two sets of preset
values in the radio for the front and rear axle pressure
values.
Once the customer selects the tire pressures for the front
and rear axles that they want to inflate or deflate to, they
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 customer may choose to disable or enable the STFA
feature through use of the TFA settings in the radio. If STFA
appears grayed out it must be turned on prior to selecting.
In order to use STFA, the Tire Fill Alert feature must be
enabled through the radio
Ú page 226.
23_DJD2_OM_EN_USC_t.book Page 314
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