brakes JEEP GRAND CHEROKEE 2016 WK2 / 4.G SRT User Guide

NOTE:FCW monitors the information from the forward
looking sensors as well as the Electronic Brake Controller
(EBC), to calculate the probability of a forward collision.
When the system determines that a forward collision is
probable, the driver will be provided with audible and
visual warnings and may provide a brake jerk warning. If
the driver does not take action based upon these progres-
sive warnings, then the system will provide a limited
level of active braking to help slow the vehicle and
mitigate the potential forward collision. If the driver
reacts to the warnings by braking and the system deter-
mines that the driver intends to avoid the collision by
braking but has not applied sufficient brake force, the
system will compensate and provide additional brake
force as required.
If a Forward Collision Warning with Mitigation event
begins at a speed below 26 mph (42 km/h), the system
may provide the maximum or partial braking to mitigate
the potential forward collision. If the Forward Collision Warning with Mitigation event stops the vehicle com-
pletely, the system will hold the vehicle at a standstill for
two seconds and then release the brakes.
When the system determines a collision with the vehicle
in front of you is no longer probable, the warning
message will be deactivated.
FCW Message
218 UNDERSTANDING THE FEATURES OF YOUR VEHICLE

PARKSENSE REAR PARK ASSIST — IF
EQUIPPED
The ParkSense Rear Park Assist system provides visual
and audible indications of the distance between the rear
fascia and a detected obstacle when backing up, e.g.
during a parking maneuver. If your vehicle is equipped
with an Automatic Transmission, the vehicle brakes may
be automatically applied and released when performing
a reverse parking maneuver if the system detects a
possible collision with an obstacle.
NOTE:
•The driver can override the automatic braking func-
tion by pressing the gas pedal, turning ParkSense off
via ParkSense switch, or changing the gear while the
automatic brakes are being applied.
• Automatic brakes will not be available if ESC is not
available. •
Automatic brakes will not be available if there is a
faulted condition detected with the ParkSense Park
Assist system or the Braking System Module.
• The automatic braking function may only be applied if
the vehicle deceleration is not enough to avoid collid-
ing with a detected obstacle.
• The automatic braking function may not be applied
fast enough for obstacles that move toward the rear of
the vehicle from the left and/or right sides.
• The automatic braking function can be enabled/
disabled from the Customer-Programmable Features
section of the Uconnect System.
• ParkSense will retain its last known configuration state
for the automatic braking function through ignition
cycles.
222 UNDERSTANDING THE FEATURES OF YOUR VEHICLE

PARKSENSE FRONT AND REAR PARK ASSIST —
IF EQUIPPED
The ParkSense Park Assist system provides visual and
audible indications of the distance between the rear
and/or front fascia and a detected obstacle when backing
up or moving forward, e.g. during a parking maneuver.
If your vehicle is equipped with an Automatic Transmis-
sion, the vehicle brakes may be automatically applied
and released when performing a reverse parking maneu-
ver if the system detects a possible collision with an
obstacle.
NOTE:
•The driver can override the automatic braking func-
tion by pressing the gas pedal, turning ParkSense off
via ParkSense switch, or changing the gear while the
automatic brakes are being applied. •
Automatic brakes will not be available if ESC is not
available.
• Automatic brakes will not be available if there is a
faulted condition detected with the ParkSense Park
Assist system or the Braking System Module.
• The automatic braking function may only be applied if
the vehicle deceleration is not enough to avoid collid-
ing with a detected obstacle.
• The automatic braking function will not be available if
vehicle is in 4LO transfer case mode.
• The automatic braking function may not be applied
fast enough for obstacles that move toward the rear of
the vehicle from the left and/or right sides.
• The automatic braking function can be enabled/
disabled from the Customer-Programmable Features
section of the Uconnect System.
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UNDERSTANDING THE FEATURES OF YOUR VEHICLE 233

Anti-Lock Brake (ABS) Indicator Light
Yellow TelltaleLight What It Means
Anti-Lock Brake (ABS) Indicator Light
This light monitors the Anti-Lock Brake System (ABS). The light will turn on when the igni-
tion is placed in the ON/RUN position and may stay on for as long as four seconds.
If the ABS light remains on or turns on while driving, then the Anti-Lock portion of the
brake system is not functioning and service is required. However, the conventional brake
system will continue to operate normally if the brake warning light is not on.
If the ABS light is on, the brake system should be serviced as soon as possible to restore the
benefits of Anti-Lock Brakes. If the ABS light does not turn on when the ignition is placed in
the ON/RUN position, have the light inspected by an authorized dealer.
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UNDERSTANDING YOUR INSTRUMENT PANEL 311

1/4 Mile (400 Meters) Time
When selected, this screen displays the time it takes the
vehicle to travel 1/4 mile within 25 seconds and the
vehicle’s speed when it reaches 1/4 mile (400 meters).
•The feature will “ready” when the vehicle is at 0 MPH
(0 km/h). The word “READY” will flash when condi-
tions are met for the event to begin.
• Dashes will display if the vehicle fails to reach 1/4
mile (400 meters) in less then 25 seconds.
• To clear the vehicle’s best 1/4 mile (400 meters) run,
push and hold the OKbutton for two seconds.
60 Foot (18 Meters) Time
When selected, this screen displays the time it takes the
vehicle to travel 60 ft (18 meters) as measured from the
Initial acceleration, the charge a vehicle makes off the
starting line and through those sixty-foot timers. NOTE:
This number is most associated with chassis
efficiency, or “hook”.
Braking Distance
When selected, this screen displays the vehicle’s braking
distance, and the speed at which the brake pedal was
pushed.
• 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.
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UNDERSTANDING YOUR INSTRUMENT PANEL 335

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!
•Before exiting a vehicle, always shift the automatic
transmission into PARK and apply the parking
brake. Always make sure the keyless ignition node
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. Leaving children 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
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WARNING! (Continued)
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 con-
trols, or move the vehicle.
• Do not leave children or animals inside parked
vehicles in hot weather. Interior heat build-up may
cause serious injury or death.
Automatic Transmission
The gear selector must be in the NEUTRAL or PARK
position before you can start the engine. Apply the brakes
before shifting into any driving gear.
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STARTING AND OPERATING 463

Brake/Transmission Shift Interlock System
This vehicle is equipped with a Brake Transmission Shift
Interlock system (BTSI) that holds the gear selector in
PARK unless the brakes are applied. To shift the trans-
mission out of PARK, the engine must be running and the
brake pedal must be pressed. The brake pedal must also
be pressed to shift from NEUTRAL into DRIVE or
REVERSE when the vehicle is stopped or moving at low
speeds.
Fuel Economy (ECO) Mode
The Fuel Economy (ECO) mode can improve the vehi-
cle’s overall fuel economy during normal driving condi-
tions. Press the “ECO” switch in the center stack of the
instrument panel to activate or disable ECO mode. An
amber light indicates when ECO mode is engaged.When the Fuel Economy (ECO) Mode is engaged, the
vehicle control systems will change the following:
•
The transmission will upshift sooner and downshift
later.Fuel Economy Mode Switch
470 STARTING AND OPERATING

NOTE:It is recommended that you target 40psi (276kpa)
Hot Tire Pressure at the conclusion of each track session.
Starting at 32psi (221kpa) Front & 30psi (207 kpa) Rear
Cold and adjusting based on ambient & track conditions
is recommended. Tire pressure can be monitored via the
Driver Information Display (DID) and can assist with
adjustments.
Track burnishing your brakes:
To avoid “green lining fade” during track use, the brake
pads and rotors must have a thermal burnish for factory
installed components or when new brake friction com-
ponents are installed:
1. Use one track session to burnish brakes by driving at 75% speed. Brake at approximately 0.60-0.80g max
without ABS intervention.
2. Lap the track in this manner until you start smelling the brakes. Continue for another ½ lap at speed, then do a two lap cool down with minimal brake applies.
Make sure the brakes are not smoking. If they are, do
another cool down lap.
3. Do not continue for more than 1 full burnishing lap after you start smelling the brakes. Do not get them
smoking heavily. This will get them too hot and affect
their life negatively in future track use.
4. Allow vehicle to sit and cool in the paddock for at least 30 min. If an infrared thermal gun is available, allow
rotors to cool to 200°F (93.3°C) before going back out.
5. There should be a thin, ash layer when inspecting the pads installed in the caliper. Having the ash layer go
more than half the thickness of the pad material
indicates too aggressive of a burnish.
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STARTING AND OPERATING 493

Flowing/Rising Water
WARNING!
Do not drive on, or cross, a road or a path where
water is flowing and/or rising (as in storm run-off).
Flowing water can wear away the road or path’s
surface and cause your vehicle to sink into deeper
water. Furthermore, flowing and/or rising water can
carry your vehicle away swiftly. Failure to follow this
warning may result in injuries that are serious or
fatal to you, your passengers, and others around you.
Shallow Standing Water
Although your vehicle is capable of driving through
shallow standing water, consider the following Cautions
and Warnings before doing so.
WARNING!
•Driving through standing water limits your vehi-
cle’s traction capabilities. Do not exceed 5 mph
(8 km/h) when driving through standing water.
• Driving through standing water limits your vehi-
cle’s braking capabilities, which increases stopping
distances. Therefore, after driving through stand-
ing water, drive slowly and lightly press on the
brake pedal several times to dry the brakes.
• Failure to follow these warnings may result in
injuries that are serious or fatal to you, your pas-
sengers, and others around you.
CAUTION!
• Always check the depth of the standing water
before driving through it. Never drive through
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STARTING AND OPERATING 495

brakes will still function. However, the effort required to
brake the vehicle will be much greater than that required
with the power system operating.
NOTE:Due to the performance nature of our brake
systems, some noise is to be expected.
ELECTRONIC BRAKE CONTROL SYSTEM
Your vehicle is equipped with an advanced Electronic
Brake Control system (EBC). This system includes Elec-
tronic Brake Force Distribution (EBD), Anti-Lock Brake
System (ABS), Brake Assist System (BAS), Hill Start
Assist (HSA), Traction Control System (TCS), Electronic
Stability Control (ESC), and Electronic Roll Mitigation
(ERM). These systems work together to enhance both
vehicle stability and control in various driving condi-
tions.
Your vehicle may also be equipped with Trailer Sway
Control (TSC), Ready Alert Braking (RAB), Rain Brake Support (RBS), Dynamic Steering Torque (DST), Hill
Descent Control (HDC), and Selec-Speed Control (SSC).
Electronic Brake Force Distribution (EBD)
This function manages the distribution of the braking
torque between the front and rear axles by limiting
braking pressure to the rear axle. This is done to prevent
overslip of the rear wheels to avoid vehicle instability,
and to prevent the rear axle from entering ABS before the
front axle.
Brake System Warning Light
The red “Brake System Warning Light” will turn on when
the ignition switch is turned to the ON position and may
stay on for as long as four seconds.
If the “Brake System Warning Light” remains on or
comes on while driving, it indicates that the brake system
is not functioning properly and that immediate service is
required. If the “Brake System Warning Light” does not
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