2015 JEEP GRAND CHEROKEE tire pressure

WARNING!(Continued)
•Check mounting of mats on a regular basis. Always
properly reinstall and secure floor mats that have
been removed for cleaning.
•Always make sure that objects cannot fall into the
driver footwell while the vehicle is moving. Ob-
jects can become trapped under the brake pedal
and accelerator pedal causing a loss of vehicle
control.
•If required, mounting posts must be properly in-
stalled, if not equipped from the factory.
Failure to properly follow floor mat installation or
mounting can cause interference with the brake
pedal and accelerator pedal operation causing loss of
control of the vehicle.
Periodic Safety Checks You Should Make Outside
The Vehicle
Tires
Examine tires for excessive tread wear and uneven wear
patterns. Check for stones, nails, glass, or other objects
lodged in the tread or sidewall. Inspect the tread for cuts
and cracks. Inspect sidewalls for cuts, cracks, and bulges.
Check the wheel nuts for tightness. Check the tires
(including spare) for proper cold inflation pressure.
Lights
Have someone observe the operation of brake lights and
exterior lights while you work the controls. Check turn
signal and high beam indicator lights on the instrument
panel.
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THINGS TO KNOW BEFORE STARTING YOUR VEHICLE 111

The light also will turn on when the parking brake is
applied with the ignition switch in the ON/RUN posi-
tion.
NOTE:This light shows only that the parking brake is
applied. It does not show the degree of brake application.
13. Fuel Gauge/Fuel Door Reminder
The fuel pump symbol points to the side of the vehicle
where the fuel door is located. The pointer shows the
level of fuel in the fuel tank when the ignition switch is in
the ON/RUN position.
14. Tire Pressure Monitoring Telltale Light
Each tire, including the spare (if provided),
should be checked monthly when cold and
inflated to the inflation pressure recommended
by the vehicle manufacturer on the vehicle
placard or tire inflation pressure label. (If your vehicle
has tires of a different size than the size indicated on thevehicle placard or tire inflation pressure label, you should
determine the proper tire inflation pressure for those
tires.)
As an added safety feature, your vehicle has been
equipped with a Tire Pressure Monitoring System
(TPMS) that illuminates a low tire pressure telltale when
one or more of your tires is significantly under-inflated.
Accordingly, when the low tire pressure telltale illumi-
nates, you should stop and check your tires as soon as
possible, and inflate them to the proper pressure. Driving
on a significantly under-inflated tire causes the tire to
overheat and can lead to tire failure. Under-inflation 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 proper
tire maintenance, and it is the driver ’s responsibility to
maintain correct tire pressure, even if under-inflation has
not reached the level to trigger illumination of the TPMS
low tire pressure telltale.
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UNDERSTANDING YOUR INSTRUMENT PANEL 291

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 subse-
quent vehicle start-ups as long as the malfunction exists.
When the malfunction indicator is illuminated, the sys-
tem 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.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 opera-
tion or sensor damage may result when using re-
placement 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 after-
market tire sealant it is recommended that you take
your vehicle to an authorized dealership to have your
sensor function checked.
15. Driver Information Display (DID)
The odometer display shows the total distance the ve-
hicle has been driven.
292 UNDERSTANDING YOUR INSTRUMENT PANEL

6. Selectable Information (Compass, Temp, Range to
Empty, Trip A, Trip B, Average Fuel Economy, Current
Fuel Economy)
7. Air Suspension Status — If Equipped
8. 4WD Status — Status
The main display area will normally display the main
menu or the screens of a selected feature of the main
menu. The main display area also displays “pop up”
messages that consist of approximately 60 possible warn-
ing or information messages. These pop up messages fall
into several categories:
•Five Second Stored Messages
When the appropriate conditions occur, this type of
message takes control of the main display area for five
seconds and then returns to the previous screen. Most of
the messages of this type are then stored (as long as the
condition that activated it remains active) and can bereviewed from the “Messages” main menu item. Ex-
amples of this message type are “Right Front Turn Signal
Lamp Out” and “Low Tire Pressure.”
•Unstored Messages
This message type is displayed indefinitely or until the
condition that activated the message is cleared. Examples
of this message type are “Turn Signal On” (if a turn signal
is left on) and “Lights On” (if driver leaves the vehicle).
•Unstored Messages Until RUN
These messages deal primarily with the Remote Start
feature. This message type is displayed until the ignition
is in the RUN state. Examples of this message type are
“Remote Start Aborted - Door Ajar” and “Press Brake
Pedal and Push Button to Start.”
•Five Second Unstored Messages
When the appropriate conditions occur, this type of
message takes control of the main display area for five
298 UNDERSTANDING YOUR INSTRUMENT PANEL

DID Messages
•Front Seatbelts Unbuckled
•Driver Seatbelt Unbuckled
•Passenger Seatbelt Unbuckled
•Service Air Bag System
•Traction Control Off
•Washer Fluid Low
•Oil Pressure Low
•Oil Change Due
•Fuel Low
•Service Antilock Brake System
•Service Electronic Throttle Control
•Service Power Steering•Cruise Off
•Cruise Ready
•ACC Override
•Cruise Set To XXX MPH
•Tire Pressure Screen With Low Tire(s) “Inflate Tire to
XX”
•Service Tire Pressure System
•Speed Warning Set
•Speed Warning Exceeded
•Parking Brake Engaged
•Brake Fluid Low
•Service Electronic Braking System
•Engine Temperature Hot
300 UNDERSTANDING YOUR INSTRUMENT PANEL

DID Green Telltales
•Electronic Speed Control SET
This telltale will illuminate green when the
electronic speed control is SET. For further
information, refer to “Electronic Speed Con-
trol” in “Understanding The Features Of Your
Vehicle.”
DID Selectable Menu Items
Push and release theUPorDOWNarrow buttons until
the desired Selectable Menu icon/title is highlighted in
the DID.
Speedometer
Push and release the UP or DOWN arrow button until
the Speedometer menu is displayed in the DID. Push and
release the OK button to toggle units (km/h or mph) of
digital speedometer.
Vehicle Info (Customer Information Features)
Push and release the UP or DOWN arrow
button until the Vehicle Info icon/title is high-
lighted in the DID. Push and release the RIGHT
arrow button and Coolant Temp will be dis-
played. Push and release the LEFT or RIGHT arrow
button to scroll through the information submenus and
push and release the OK button to select or reset the
following resettable submenus:
Tire Pressure
Transmission Temperature
Oil Temperature
Oil Pressure
Oil Life
Battery Voltage
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UNDERSTANDING YOUR INSTRUMENT PANEL 307

▫Flowing/Rising Water..................420
POWER STEERING.....................422
FUEL SAVER TECHNOLOGY — IF
EQUIPPED...........................423
PARKING BRAKE......................423
BRAKE SYSTEM.......................425
ELECTRONIC BRAKE CONTROL SYSTEM. . . .426
▫Anti-Lock Brake System (ABS)............426
▫Traction Control System (TCS)............426
▫Brake Assist System (BAS)...............427
▫Electronic Roll Mitigation (ERM)..........428
▫Electronic Stability Control (ESC)..........429
▫ESC Activation/Malfunction Indicator Light And
ESC OFF Indicator Light................433▫Trailer Sway Control (TSC)..............435
TIRE SAFETY INFORMATION.............436
▫Tire Markings........................436
▫Tire Identification Number (TIN)...........440
▫Tire Terminology And Definitions..........442
▫Tire Loading And Tire Pressure...........443
TIRES — GENERAL INFORMATION........448
▫Tire Pressure........................448
▫Tire Inflation Pressures.................449
▫Tire Pressures For High Speed Operation. . . .451
▫Radial Ply Tires......................451
▫Tire Types...........................452
▫Run Flat Tires — If Equipped.............454
396 STARTING AND OPERATING

▫Spare Tires — If Equipped...............454
▫Tire Spinning........................457
▫Tread Wear Indicators..................457
▫Life Of Tire.........................458
▫Replacement Tires.....................458
TIRE CHAINS (TRACTION DEVICES).......460
TIRE ROTATION RECOMMENDATIONS.....461
TIRE PRESSURE MONITOR SYSTEM (TPMS) . .463
▫Premium System......................465
▫Tire Pressure Monitoring Low Pressure
Warnings...........................467
▫General Information...................470
FUEL REQUIREMENTS..................471▫6.4L Engine..........................471
▫Reformulated Gasoline.................471
▫Gasoline/Oxygenate Blends..............471
▫E-85 Usage In Non-Flex Fuel Vehicles.......472
▫MMT In Gasoline.....................472
▫Materials Added To Fuel................473
▫Fuel System Cautions...................473
▫Carbon Monoxide Warnings.............474
ADDING FUEL........................475
▫Emergency Fuel Filler Door Release.........478
VEHICLE LOADING....................479
▫Certification Label....................479
TRAILER TOWING.....................481
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STARTING AND OPERATING 397