Each time you start the vehicle, the system
selects the last chosen gap for the current
driver.
Disengaging the System
Press the brake pedal or press and release
CNCL. The last set speed displays in grey
but does not erase.
Overriding the System WARNING
Whenever the driver presses the
accelerator pedal and overrides the
system, the system does not automatically
apply the brakes to maintain the set distance
from any vehicle ahead. Press the accelerator pedal to override the
set speed and gap distance.
When you override the system,
the green indicator light
illuminates and the lead vehicle
graphic does not show in the information
display. The system resumes operation when you
release the accelerator pedal. The vehicle
speed decreases to the set speed, or a
slower speed if following a slower vehicle.
Changing the Set Speed
•
Accelerate or brake to the desired speed,
then press and release
SET+.
• Press and hold
SET+ or SET- until the
desired set speed shows on the
information display. The vehicle speed
gradually changes to the selected speed.
• Press and release SET+ or SET-. The set
speed changes in approximately 1 mph
(2 km/h) increments.
The system may apply the brakes to slow
the vehicle to the new set speed. The set
speed displays continuously in the
information display when the system is
active.
Resuming the Set Speed
Note: Only use resume if you are aware of
the set speed and intend to return to it. Press and release
RES. The vehicle returns
to the previously set speed. The set speed
displays continuously in the information
display while the system is active.
Low Speed Automatic Cancellation
The system does not function at speeds
below 12 mph (20 km/h). An audible alarm
sounds and the automatic braking releases
if your vehicle drops below this speed.
Hilly Condition Usage
Note: An audible alarm sounds and the
system shuts down if it is applying brakes
for an extended period of time. This allows
the brakes to cool. The system functions
normally again when the brakes cool.
Select a lower gear during prolonged
downhill driving on steep slopes, such as
mountainous areas, when the system is
active. In such situations, the system needs
additional engine braking to reduce the load
on the vehicle ’s regular brake system to
prevent the brakes from overheating.
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Switching the System Off
Press and release OFF when the system is
in stand by mode or switch the ignition off.
Note: The set speed memory erases when
you switch off the system.
Detection Issues WARNING
On rare occasions, detection issues
can occur due to the road
infrastructures, for example bridges, tunnels
and safety barriers. In these cases, the
system may brake late or unexpectedly. At
all times, you are responsible for controlling
your vehicle, supervising the system and
intervening, if required. The radar sensor has a limited field of vision.
It may not detect vehicles at all or detect a
vehicle later than expected in some
situations. The lead vehicle graphic does not
illuminate if the system does not detect a
vehicle in front of you. Detection issues can occur:
With vehicles that edge into your
lane that can only be detected
once they have moved fully into
your lane.
A
Motorcyclists may be detected
late, or not at all.
B
With vehicles in front of you when
going into and coming out of a
bend. The detection beam will not
follow sharp curves in the road.
C
In these cases the system may brake late or
unexpectedly. The driver should stay alert
and intervene when necessary.
If something hits the front end of your vehicle
or damage occurs, the radar-sensing zone
may change. This could cause missed or
false vehicle detections. See an authorized
dealer to have the radar checked for proper
coverage and operation.
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System Not Available
Conditions that can cause the system to
deactivate or prevent the system from
activating when requested include:
•
A blocked sensor.
• High brake temperature.
• A failure in the system or a related
system. Blocked Sensor WARNINGS
Do not use the system when towing a
trailer with brake controls. Aftermarket
trailer brakes do not function properly when
you switch the system on because the
brakes are electronically controlled. Failing
to do so may result in loss of vehicle control,
which could result in serious injury. The
system does operate with non-electronic
trailer brake controllers, such as over-run or
surge brakes. Do not use tire sizes other than those
recommended because this can affect
the normal operation of the system. Failing
to do so may result in a loss of vehicle
control, which could result in serious injury. A message appears if something obstructs
the sensor's radar signals. The sensor is
located behind a cover near the driver side
of the lower grille. The system cannot detect
a vehicle ahead and does not function when
something obstructs the radar signal. The
following table lists possible causes and
actions for this message displaying.
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Action
Cause
Clean the grille surface in front of the radar or remove the object
causing the obstruction.
The surface of the radar in the grille is dirty or obstructed in some
way.
Wait a short time. It may take several minutes for the radar to detect
that it is free from obstruction.
The surface of the radar in the grille is clean but the message remains
in the display.
Do not use the system in these conditions because it may not detect
any vehicles ahead.
Heavy rain or snow is interfering with the radar signals.
Do not use the system in these conditions because it may not detect
any vehicles ahead.
Swirling water, or snow or ice on the surface of the road may interfere
with the radar signals.
Wait a short time or switch to normal cruise control.
You are in a desert or remote area with no other vehicles and no
roadside objects.
Due to the nature of radar technology, it is
possible to get a blockage warning with no
actual block. This happens, for example,
when driving in sparse rural or desert
environments. A false blocked condition
either self clears or clears after a you restart
your vehicle. Switching to Normal Cruise Control WARNING
Normal cruise control does not brake
for slower vehicles. Always be aware
of which mode you have selected and apply
the brakes when necessary. You can manually change from adaptive
cruise control to normal cruise control
through the information display.
The cruise control indicator light
replaces the adaptive cruise
control indicator light if you select
normal cruise control. The gap setting does
not display, the system does not
automatically respond to lead vehicles and
automatic braking does not activate.
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Extreme continuous steering may increase
the effort required for you to steer your
vehicle. This increased effort prevents
overheating and permanent damage to the
steering system. You do not lose the ability
to steer your vehicle manually. Typical
steering and driving maneuvers allow the
system to cool and return to normal
operation.
Steering Tips
If the steering wanders or pulls, check for:
•
Correct tire pressures.
• Uneven tire wear.
• Loose or worn suspension components.
• Loose or worn steering components.
• Improper vehicle alignment.
Note: A high crown in the road or high
crosswinds may also make the steering
seem to wander or pull. Adaptive Learning
The electronic power steering system
adaptive learning helps correct road
irregularities and improves overall handling
and steering feel. It communicates with the
brake system to help operate advanced
stability control and accident avoidance
systems. Additionally, whenever the battery
is disconnected or a new battery installed,
you must drive your vehicle a short distance
before the system relearns the strategy and
reactivates all systems.
PRE-COLLISION ASSIST
WARNINGS
You are responsible for controlling your
vehicle at all times. The system does
not relieve you of your responsibility to drive
with due care and attention. Failure to take
care may result in the loss of control of your
vehicle, serious personal injury or death. WARNINGS
To achieve full system performance
you must break in the braking system.
See General Information (page 194). Failure
to take care may result in the loss of control
of your vehicle, serious personal injury or
death. The system does not react to cyclists,
animals, pedestrians at night, or
vehicles that are driving in a different
direction. Failure to take care may result in
the loss of control of your vehicle, serious
personal injury or death. The system does not operate during
harsh acceleration or steering. Failure
to take care may lead to a crash or personal
injury. The system may or may not operate or
may operate with reduced function
during cold or severe weather conditions.
Snow, ice, rain, spray and fog can influence
the system. Keep the front camera and radar
free of snow and ice. Failure to take care
may result in the loss of control of your
vehicle, serious personal injury or death.
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WARNINGS
System performance may reduce in
situations where the camera's
detection capability is limited. These
situations include but are not limited to direct
or low sunlight, vehicles at night without tail
lights, unconventional vehicle types,
pedestrians with complex backgrounds,
running pedestrians, partly obscured
pedestrians, or pedestrians which cannot be
distinguished from a group. Failure to take
care may result in the loss of control of your
vehicle, serious personal injury or death. The system cannot help prevent all
collisions. Do not rely on this system
to replace driver judgment and the need to
maintain distance and speed. The pre-collision assist system's brake
support can only help reduce the
speed at which a collision occurs if the driver
applies the vehicle's brakes. The brake pedal
must be pressed just like any typical braking
situation. Using the Pre-Collision Assist System
The Pre-Collision Assist system is active at
speeds above approximately 3 mph (5 km/h)
and pedestrian detection is active at speeds
up to 50 mph (80 km/h).
If your vehicle is rapidly approaching another
stationary vehicle, a vehicle traveling in the
same direction as yours, or a pedestrian
within your driving path, the system is design
to provide three levels of functionality:
1. Alert
2. Brake Support
3. Active Braking Alert
: When activated, a red warning light
flashes, an audible warning chime sounds
and a warning message shows in the
information display.
Brake Support
: The brake support system
assists the driver in reducing the collision
speed by lightly applying the brakes. If the
risk of collision further increases after the
warning light illuminates, the brake support
prepares the brake system for rapid braking.
This may be apparent to the driver. The
system does not automatically activate the
brakes, but if you press the brake pedal, the
system may apply full force, even if the brake
pedal is lightly pressed.
Active Braking
: Active braking may activate
if the system determines that a collision is
imminent. The system may help the driver
reduce impact damage or avoid the crash
completely.
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GCW (Gross Combined Weight) - is the
Gross Vehicle Weight plus the weight of
the fully loaded trailer.
GCWR (Gross Combined Weight
Rating) - is the maximum allowable
weight of the vehicle and the loaded
trailer, including all cargo and
passengers, that the vehicle can handle
without risking damage. (Important: The
towing vehicle ’s braking system is rated
for operation at Gross Vehicle Weight
Rating, not at Gross Combined Weight
Rating.) Separate functional brakes
should be used for safe control of towed
vehicles and for trailers where the Gross Combined Weight of the towing vehicle
plus the trailer exceed the Gross Vehicle
Weight Rating of the towing vehicle. The
Gross Combined Weight must never
exceed the Gross Combined Weight
Rating.
Maximum Loaded Trailer Weight -
is
the highest possible weight of a fully
loaded trailer the vehicle can tow. It
assumes a vehicle with mandatory
options, driver and front passenger
weight (150 pounds [68 kilograms] each),
no cargo weight (internal or external)
and a tongue load of 10–15% (conventional trailer) or king pin weight
of 15–25% (fifth wheel trailer). Consult
an authorized dealer (or the RV and
Trailer Towing Guide available at an
authorized dealer) for more detailed
information.
Tongue Load or Fifth Wheel King Pin
Weight - refers to the amount of the
weight that a trailer pushes down on a
trailer hitch.
Examples:
For a 5000 pound (2268
kilogram) conventional trailer, multiply
5000 by 0.10 and 0.15 to obtain a proper
tongue load range of 500 to 750 pounds
(227 to 340 kilograms). For an 11500
pound (5216 kilogram) fifth wheel trailer,
multiply by 0.15 and 0.25 to obtain a
proper king pin load range of 1725 to
2875 pounds (782 to 1304 kilograms).
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GVW
TOWING A TRAILER
WARNINGS
Do not exceed the GVWR or the
GAWR specified on the certification
label. Towing trailers beyond the
maximum recommended gross
trailer weight exceeds the limit of your
vehicle and could result in engine
damage, transmission damage,
structural damage, loss of vehicle
control, vehicle rollover and personal
injury. Note:
Your vehicle may have electrical
items, such as fuses or relays, related
to towing. See Fuses (page 284). Your vehicle's load capacity designation
is by weight, not by volume, so you
cannot necessarily use all available
space when loading a vehicle.
Towing a trailer places an extra load on
your vehicle's engine, transmission, axle,
brakes, tires and suspension. Inspect
these components periodically during,
and after, any towing operation.
Load Placement
To help minimize how trailer movement
affects your vehicle when driving:
•
Load the heaviest items closest to
the trailer floor.
• Load the heaviest items centered
between the left and right side trailer
tires. •
Load the heaviest items above the
trailer axles or just slightly forward
toward the trailer tongue. Do not
allow the final trailer tongue weight
to go above or below 10-15% of the
loaded trailer weight.
• Select a tow bar with the correct rise
or drop. When both the loaded
vehicle and trailer are connected, the
trailer frame should be level, or
slightly angled down toward your
vehicle, when viewed from the side.
When driving with a trailer or payload, a
slight takeoff vibration or shudder may
be present due to the increased payload
weight. Additional information regarding
proper trailer loading and setting your
vehicle up for towing is located in the
Load Carrying chapter. See Load Limit
(page 251).
You can also find information in the
RV
& Trailer Towing Guide available at your
authorized dealer, or online.
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