2015 JEEP GRAND CHEROKEE parking brake

has been corrected. If the problem is related to the brake
booster, the ABS pump will run when applying the brake
and a brake pedal pulsation may be felt during each stop.
The dual brake system provides a reserve braking capac-
ity in the event of a failure to a portion of the hydraulic
system. A leak in either half of the dual brake system is
indicated by the Brake Warning Light, which will turn on
when the brake fluid level in the master cylinder has
dropped below a specified level.
The light will remain on until the cause is corrected.
NOTE:The light may flash momentarily during sharp
cornering maneuvers, which change fluid level condi-
tions. The vehicle should have service performed, and
the brake fluid level checked.
If brake failure is indicated, immediate repair is neces-
sary.WARNING!
Driving a vehicle with the red brake light on is
dangerous. Part of the brake system may have failed.
It will take longer to stop the vehicle. You could have
a collision. Have the vehicle checked immediately.
Vehicles equipped with the Anti-Lock Brake System
(ABS), are also equipped with Electronic Brake Force
Distribution (EBD). In the event of an EBD failure, the
Brake Warning Light will turn on along with the ABS
Light. Immediate repair to the ABS system is required.
Operation of the Brake Warning Light can be checked by
turning the ignition switch from the OFF position to the
ON/RUN position. The light should illuminate for ap-
proximately two seconds. The light should then turn off
unless the parking brake is applied or a brake fault is
detected. If the light does not illuminate, have the light
inspected by an authorized dealer.
290 UNDERSTANDING YOUR INSTRUMENT PANEL

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.
4
UNDERSTANDING YOUR INSTRUMENT PANEL 291

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

•The time will continue to display until the OK button
is pushed to reset or the vehicle is brought to a stop.
NOTE:LAST and BEST timer data can be seen on the
Uconnect® Performance Pages App.
Braking Distance
When selected, this screen displays the vehicle’s braking
distance and the speed at which the brake pedal was
depressed.
•This feature will only function when applying the
brakes at speeds above 30 mph (48 km/h).
•Engaging the parking brake will disable this feature.
•The word “READY” will display when conditions are
met for the event to begin.
•The distance and speed measurements display while
the event is taking place.•The distance measurement will be aborted if the brake
pedal is released before the vehicle comes to a com-
plete stop.
•The distance and speed measurements will continue to
display until the conditions are met for another event
to be recorded.
•Pushing the OK button will clear the current run and
prepare the cluster to record a new run.
1/8 Mile, 1/4 Mile
When selected, this screen displays the time it takes the
vehicle to travel 1/8 mile within 15 seconds, (1/4 mile)
within 25 seconds.
•The feature will “ready” when the vehicle is at 0 mph
(0 km/h). The word “READY” will display when
conditions are met for the event to begin.
4
UNDERSTANDING YOUR INSTRUMENT PANEL 311

▫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

STARTING PROCEDURES
Before starting your vehicle, adjust your seat, adjust the
inside and outside mirrors, fasten your seat belt, and if
present, instruct all other occupants to buckle their seat
belts.
WARNING!
•When leaving the vehicle, always remove the key
fob from the ignition and lock your vehicle. If
equipped with Keyless Enter-N-Go™, always
make sure the keyless ignition node is in “OFF”
mode, remove the Key Fob from the vehicle and
lock the vehicle.
•Never leave children alone in a vehicle, or with
access to an unlocked vehicle. Leaving children in
a vehicle unattended is dangerous for a number of
reasons. A child or others could be seriously or
(Continued)
WARNING!(Continued)
fatally injured. Children should be warned not to
touch the parking brake, brake pedal or the gear
selector.
•Do not leave the Key Fob in or near the vehicle (or
in a location accessible to children), and do not
leave the ignition (of a vehicle equipped with
Keyless Enter-N-Go™) in the ACC or ON/RUN
mode. A child could operate power windows, other
controls, or move the vehicle.
Automatic Transmission
The shift lever must be in the NEUTRAL or PARK
position before you can start the engine. Apply the brakes
before shifting into any driving gear.
5
STARTING AND OPERATING 399

WARNING!(Continued)
vehicle could accelerate quickly forward or in re-
verse. You could lose control of the vehicle and hit
someone or something. Only shift into gear when
the engine is idling normally and your foot is
firmly pressing the brake pedal.
•Unintended movement of a vehicle could injure
those in or near the vehicle. As with all vehicles,
you should never exit a vehicle while the engine is
running. Before exiting a vehicle, always apply the
parking brake, shift the transmission into PARK,
turn the engine OFF, and remove the Key Fob.
When the ignition is in the OFF mode, the trans-
mission is locked in PARK, securing the vehicle
against unwanted movement.
(Continued)
WARNING!(Continued)
•When leaving the vehicle, always make sure the
ignition is in the OFF mode, remove the Key Fob
from the vehicle, and lock the vehicle.
•Never leave children alone in a vehicle, or with
access to an unlocked vehicle. Allowing children to
be in a vehicle unattended is dangerous for a
number of reasons. A child or others could be
seriously or fatally injured. Children should be
warned not to touch the parking brake, brake pedal
or the transmission gear selector.
•Do not leave the Key Fob in or near the vehicle (or
in a location accessible to children), and do not
leave the ignition in the ACC or ON/RUN mode. A
child could operate power windows, other controls,
or move the vehicle.
404 STARTING AND OPERATING

Gear Ranges
DO NOT race the engine when shifting from PARK or
NEUTRAL into another gear range.
NOTE:After selecting any gear range, wait a moment to
allow the selected gear to engage before accelerating.
This is especially important when the engine is cold.
PARK (P)
This range supplements the parking brake by locking the
transmission. The engine can be started in this range.
Never attempt to use PARK while the vehicle is in
motion. Apply the parking brake when leaving the
vehicle in this range.
When parking on a level surface, you may shift the
transmission into PARK first, and then apply the parking
brake.When parking on a hill, apply the parking brake before
shifting the transmission to PARK. As an added precau-
tion, turn the front wheels toward the curb on a downhill
grade and away from the curb on an uphill grade.
WARNING!
•Never use the PARK position as a substitute for the
parking brake. Always apply the parking brake
fully when parked to guard against vehicle move-
ment and possible injury or damage.
•Your vehicle could move and injure you and others
if it is not in PARK. Check by trying to move the
shift lever out of PARK with the brake pedal
released. Make sure the transmission is in PARK
before leaving the vehicle.
•It is dangerous to shift out of PARK or NEUTRAL
if the engine speed is higher than idle speed. If
(Continued)
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STARTING AND OPERATING 409