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118 GETTING TO KNOW YOUR INSTRUMENT PANEL
also reduces fuel efficiency and tire tread life, and
may affect the vehicle’s handling and stopping
ability.
Please note that the TPMS is not a substitute for
pr
oper tire maintenance, and it is the driver’s
responsibility to maintain correct tire pressure,
even if underinflation has not reached the level to
trigger illumination of the TPMS low tire pressure
telltale.
Your vehicle has also been equipped with a TPMS
malfunction indicator to indicate when the system
is not operating properly. The TPMS malfunction
indicator is combined with the low tire pressure
telltale. When the system detects a malfunction,
the telltale will flash for approximately one minute
and then remain continuously illuminated. This
sequence will continue upon subsequent vehicle
start-ups as long as the malfunction exists. When
the malfunction indicator is illuminated, the
system may not be able to detect or signal low tire
pressure as intended. TPMS malfunctions may
occur for a variety of reasons, including the
installation of replacement or alternate tires or
wheels on the vehicle that prevent the TPMS from
functioning properly. Always check the TPMS
malfunction telltale after replacing one or more
tires or wheels on your vehicle to ensure that the
replacement or alternate tires and wheels allow
the TPMS to continue to function properly.
Trailer Merge Assist Indicator Light —
If Equipped
This indicator light will illuminate to
indicate when Trailer Merge Assist has
be
en activated
Ú page 279.
YELLOW INDICATOR LIGHTS
Air Suspension Alternate Trailer Height
Indicator Light — If Equipped
This light will illuminate when the air
suspension system is set to the Alternate
Tr
ailer Height setting
Ú page 157.
Air Suspension Bed Lowering Mode
Indicator Light — If Equipped
This light will illuminate when the Bed
Lowering Mode procedure is complete
Ú page 157.
Air Suspension Payload Protection
Indicator Light — If Equipped
This indicator light will illuminate to
indicate that the maximum payload may
ha
ve been exceeded or load leveling
cannot be achieved at its current ride
height. Protection Mode will automatically be
selected in order to “protect” the air suspension
system, air suspension adjustment is limited due
to payload.
Air Suspension Ride Height Lowering
Indicator Light — If Equipped
This light will blink and alert the driver
that the vehicle is changing to a lower
r
i
de height Ú page 157.
Air Suspension Ride Height Raising
Indicator Light — If Equipped
This light will blink and alert the driver
that the vehicle is changing to a higher
ri
de height
Ú page 157.
CAUTION!
The TPMS has been optimized for the original
equipment tires and wheels. TPMS pressures
and warning have been established for the tire
size equipped on your vehicle. Undesirable
system operation or sensor damage may result
when using replacement equipment that is not
of the same size, type, and/or style. Aftermarket
wheels can cause sensor damage. Using
aftermarket tire sealants may cause the Tire
Pressure Monitoring System (TPMS) sensor to
become inoperable. After using an aftermarket
tire sealant it is recommended that you take
your vehicle to an authorized dealer to have your
sensor function checked.
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