Acura TLX (2021 year). Manual in english — page 26
413
Continued
Driving
AcuraWatch
TM
AcuraWatch
TM
is a driver support system which employs the use of two distinctly
different kinds of sensors, a radar sensor located behind the emblem and a front
sensor camera mounted to the interior side of the windshield, behind the rearview
mirror.
AcuraWatch
TM
has following functions.
■
The functions which do not require switch operations to activate
•
Collision Mitigation Braking System
TM
(CMBS
TM
)
2
P. 417
•
Road Departure Mitigation (RDM) System
2
P. 469
•
Traffic Sign Recognition System
2
P. 474
■
The functions which require switch operations to activate
•
Adaptive Cruise Control (ACC) with Low Speed Follow
2
P. 428
•
Lane Keeping Assist System (LKAS)
2
P. 448
•
Traffic Jam Assist
2
P. 457
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TM
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Driving
■
Button
Press to activate standby mode for ACC with
Low Speed Follow and Traffic Jam Assist. Or
press to cancel these systems.
■
LKAS Button
Press to activate standby mode for LKAS and
Traffic Jam Assist. Or press to cancel these
systems.
■
RES/+/SET/− Switch
Press
RES/+
switch to resume the ACC with
Low Speed Follow or increase the vehicle
speed.
Press
SET/−
switch to set the ACC with Low
Speed Follow or decrease the vehicle speed.
■
Interval Button
Press to change the ACC with Low Speed
Follow following-interval.
■
CANCEL Button
Press to cancel ACC with Low Speed Follow.
■
Operation Switches for the ACC with Low Speed Follow/
LKAS/Traffic Jam Assist
Interval
Button
LKAS
Button
Button
CANCEL
Button
RES/+
/
SET/−
Switch
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TM
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Continued
Driving
You can see the current state of ACC with
Low Speed Follow, LKAS and Traffic Jam
Assist.
When both of
a
and
b
indicates, Traffic Jam
Assist is ready to be activated.
You can have the head-up display show you the current state of each function.
2
■
Multi-Information Display Content
6
a
Indicates that ACC with Low Speed Follow is ready to be activated.
•
Green: The system is on.
•
White: The system is standby.
•
Amber: There is a problem with the system.
b
Indicates that LKAS is ready to be activated.
•
Green: The system is on.
•
White: The system is standby.
•
Amber: There is a problem with the system.
c
Indicates that LKAS is activated and whether or not traffic lane lines are detected.
•
Solid line: The system is on.
•
Contour line: The system is in standby.
d
Indicates whether or not ACC with Low Speed Follow detected the vehicle ahead.
e
Shows vehicle set speed in ACC with Low Speed Follow.
f
Shows set vehicle interval in ACC with Low Speed Follow.
Models with Head-up display
* Not available on all models
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TM
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Driving
To activate ACC with Low Speed Follow, LKAS, and Traffic Jam Assist, carry out the following steps:
■
How to Operate the Buttons on the Steering Wheel
Press the
Button
Button
RES/+
/
SET/−
Switch
LKAS Button
ACC with Low Speed
Follow
The vehicle icon,
interval bars and set
speed appear on the
multi-information
display.
Press the
LKAS
Button
Press the
RES/+
/
SET/−
Switch down
Press the LKAS
Button
Traffic Jam Assist
Keep your vehicle near the center of the lane while
driving.
Keep vehicle speed under 45mph (72 km/h).
Lane outlines appear on the
multi-information display.
Traffic Jam Assist is ready to
use.
The dotted outer lines
change to solid ones once
the system starts operating
after detecting the left and
right lane markings.
LKAS
Keep your vehicle near the center of the lane while driving.
Keep vehicle speed over 45mph (72 km/h).
Lane outlines (dotted
outer lines) appear on the
multi-information display.
LKAS is activated.
The dotted outer lines change to
solid ones once the system starts
operating after detecting the left
and right lane markings.
Press the
button, and then press
the
RES/+
/
SET/−
Switch down
(white)
(white)
(green)
(green)
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TM
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Collision Mitigation Braking System
TM
(CMBS
TM
)
Continued
Driving
Collision Mitigation Braking System
TM
(CMBS
TM
)
Can assist you when there is a possibility of your vehicle colliding with a vehicle or a
pedestrian detected in front of yours. The CMBS
TM
is designed to alert you when the
potential for a collision is determined, as well as to reduce your vehicle speed to help
minimize collision severity when a collision is deemed unavoidable.
1
Collision Mitigation Braking System
Important Safety Reminder
The CMBS
TM
is designed to reduce the severity of an
unavoidable collision. It does not prevent collisions
nor stop the vehicle automatically. It is still your
responsibility to operate the brake pedal and steering
wheel appropriately according to the driving
conditions.
The CMBS
TM
may not activate or may not detect a
vehicle in front of your vehicle under certain
conditions:
2
You can read about handling information for the
camera equipped with this system.
2
P. 480
For directions on the proper handling of the radar
sensor, refer to the following page.
2
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TM
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Collision Mitigation Braking System
TM
(CMBS
TM
)
418
Driving
■
How the system works
1
When the CMBS
TM
activates, it may automatically
apply the brake. It will be canceled when your vehicle
stops or a potential collision is not determined.
The system starts monitoring the roadway ahead when your vehicle speed is about 3
mph (5 km/h) and there is a vehicle in front of you.
The radar sensor is
behind the emblem.
The camera is
located behind the
rearview mirror.
The CMBS
TM
activates when:
●
The speed difference between your vehicle and a vehicle or pedestrian detected
in front of you becomes about 3 mph (5 km/h) and over with a chance of a
collision.
●
Your vehicle speed is about 62 mph (100 km/h) or less and the system determines
there is a chance of a collision with:
- Vehicles detected in front of you that are stationary, oncoming, or traveling in
your same direction.
- A pedestrian who is detected in front of you.
●
Your vehicle speed is above 62 mph (100 km/h), and the system determines there
is a chance of a collision with a vehicle detected in front of you traveling in your
same direction.
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Continued
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Collision Mitigation Braking System
TM
(CMBS
TM
)
Driving
■
When the system activates
You can change the distance (
Long
/
Normal
/
Short
) between vehicles at which the
system’s earliest collision alert will come on through audio/information screen
setting options.
2
P. 300
1
The camera in the CMBS
TM
is also designed to detect
pedestrians.
However, this pedestrian detection feature may not
activate or may not detect a pedestrian in front of
your vehicle under certain conditions.
Refer to the ones indicating the pedestrian detection
limitations from the list.
2
The head-up warning uses a lens located at the front
end of the dashboard.
Do not cover the lens or spill any liquid on it.
Models with Head-up display
Lens
The system provides visual and audible alerts of a possible collision, and stops if
the collision is avoided.
u
Take appropriate action to prevent a collision (apply the brakes, change
lanes, etc.)
Beep
Head-up Warning Lights
*
Visual Alerts
Audible Alert
* Not available on all models
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TM
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Collision Mitigation Braking System
TM
(CMBS
TM
)
Driving
The system has three alert stages for a possible collision. However, depending on circumstances, the CMBS
TM
may not go through all of
the stages before initiating the last stage.
■
Collision Alert Stages
Distance between vehicles
CMBS
TM
The radar sensor detects a
vehicle
Audible & Visual WARNINGS
Braking
Stage one
There is a risk of a collision
with the vehicle ahead of you.
When in
Long
, visual and audible alerts
come on at a longer distance from a
vehicle ahead than in
Normal
setting, and
in
Short
, at a shorter distance than in
Normal
.
—
Stage two
The risk of a collision has
increased, time to respond is
reduced.
Visual and audible alerts.
Lightly applied
Stage three
The CMBS
TM
determines that a
collision is unavoidable.
Forcefully applied
Your Vehicle
Vehicle
Ahead
Normal
Short
Long
Your
Vehicle
Vehicle
Ahead
Your
Vehicle
Vehicle
Ahead
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TM
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Collision Mitigation Braking System
TM
(CMBS
TM
)
Driving
When you turn the CMBS
TM
on and off, do the
following.
1.
Press the safety support switch.
2.
Roll the right selector wheel to the
symbol and push it.
u
The message appears on the multi-
information display when the system
becomes on or off.
u
A check mark appears in the box and the
color of the
symbol changes green
when the system is on. The check mark
disappear and the color of the
symbol changes gray when the system is
off.
The CMBS
TM
is turned on every time you start
the engine, even if you turned it off the last
time you drove the vehicle.
■
CMBS
TM
On and Off
1
Collision Mitigation Braking System
The CMBS
TM
may automatically shut off, and the
safety support indicator (amber) will come and stay
on under certain conditions:
2
When the CMBS
TM
is activated, it will continue to
operate even if the accelerator pedal is partially
depressed.
However, it will be canceled if the accelerator pedal is
deeply depressed.
The vehicle stability assist
TM
(VSA
®
) system, vehicle
stability assist
TM
(VSA
®
) OFF, adaptive cruise control
(ACC) with low speed follow, and safety support
indicators may come on in amber along with a
message in the multi-information display when you
set the power mode to ON after reconnecting a
battery.
Drive a short distance at more than 12 mph (20
km/h).
Each indicator should go off. If any do not, have your
vehicle checked by a dealer.
Right Selector Wheel
Safety Support Switch
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TM
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Collision Mitigation Braking System
TM
(CMBS
TM
)
422
Driving
The system may automatically shut off and the safety support indicator (amber) will
come on under certain conditions. Some examples of these conditions are listed
below. Other conditions may reduce some of the CMBS
TM
functions.
2
P. 480
2
P. 482
■
Environmental conditions
•
Driving in bad weather (rain, fog, snow, etc.).
•
Sudden changes between light and dark, such as an entrance or exit of a tunnel.
•
There is little contrast between objects and the background.
•
Driving into low sunlight (e.g., at dawn or dusk).
•
Strong light is reflected onto the roadway.
•
Driving in the shadows of trees, buildings, etc.
•
Roadway objects or structures are misinterpreted as vehicles and pedestrians.
•
Reflections on the interior of the windshield.
•
Driving at night or in a dark condition such as a tunnel.
■
Roadway conditions
•
Driving on a snowy or wet roadway (obscured lane marking, vehicle tracks,
reflected lights, road spray, high contrast).
•
Driving on curvy, winding, or undulating roads.
•
The road is hilly or the vehicle is approaching the crest of a hill.
■
CMBS
TM
Conditions and Limitations
1
Have your vehicle checked by a dealer if you find any
unusual behavior of the system (e.g., the warning
message appears too frequently).
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TM
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Collision Mitigation Braking System
TM
(CMBS
TM
)
Continued
Driving
■
Vehicle conditions
•
Headlight lenses are dirty or the headlights are not properly adjusted.
•
The outside of the windshield is blocked by dirt, mud, leaves, wet snow, etc.
•
The inside of the windshield is fogged.
•
An abnormal tire or wheel condition (wrong sized, varied size or construction,
improperly inflated, compact spare tire
*
, etc.).
•
When tire chains are installed.
•
The vehicle is tilted due to a heavy load or suspension modifications.
•
The camera temperature gets too high.
•
Driving with the parking brake applied.
•
When the radar sensor behind the emblem gets dirty.
* Not available on all models
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TM
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Collision Mitigation Braking System
TM
(CMBS
TM
)
Driving
■
Detection limitations
•
A vehicle or pedestrian suddenly crosses in front of you.
•
The distance between your vehicle and the vehicle or pedestrian ahead of you is
too short.
•
A vehicle cuts in front of you at a slow speed, and it brakes suddenly.
•
When you accelerate rapidly and approach the vehicle or pedestrian ahead of you
at high speed.
•
The vehicle ahead of you is a motorcycle, bicycle, mobility scooter or other small
vehicle.
•
When there are animals in front of your vehicle.
•
When you drive on a curved, winding or undulating road that makes it difficult for
the sensor to properly detect a vehicle in front of you.
•
The speed difference between your vehicle and a vehicle in front of you is
significantly large.
•
An oncoming vehicle suddenly comes in front of you.
•
Another vehicle suddenly comes in front of you at an intersection, etc.
•
Your vehicle abruptly crosses over in front of an oncoming vehicle.
•
When driving through a narrow iron bridge.
•
When the lead vehicle suddenly slows down.
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Collision Mitigation Braking System
TM
(CMBS
TM
)
Continued
Driving
Limitations applicable to pedestrian detection only
•
When there is a group of people in front of your vehicle walking together side by
side.
•
Surrounding conditions or belongings of the pedestrian alter the pedestrian’s
shape, preventing the system from recognizing that the person is a pedestrian.
•
When the pedestrian is shorter than about 3.3 feet (1 meter) or taller than about
6.6 feet (2 meter) in height.
•
When a pedestrian blends in with the background.
•
When a pedestrian is bent over or squatting, or when their hands are raised or
they are running.
•
When several pedestrians are walking ahead in a group.
•
When the camera cannot correctly identify that a pedestrian is present due to an
unusual shape (holding luggage, body position, size).
■
Automatic shutoff
The CMBS
TM
may automatically shut itself off and the safety support indicator
(amber) comes and stays on when:
•
The temperature inside the system is high.
•
You drive off-road or on a mountain road, or curved and winding road for an
extended period.
•
An abnormal tire condition is detected (wrong tire size, flat tire, etc.).
•
The camera behind the rearview mirror, or the area around the camera, including
the windshield, gets dirty.
Once the conditions that caused the CMBS
TM
to shut off improve or are addressed
(e.g., cleaning), the system comes back on.
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TM
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Collision Mitigation Braking System
TM
(CMBS
TM
)
426
Driving
The CMBS
TM
may activate even when you are aware of a vehicle ahead of you, or
when there is no vehicle ahead. Some examples of this are:
■
When Passing
Your vehicle approaches another vehicle ahead of you and you change lanes to pass.
■
At an intersection
Your vehicle approaches or passes another vehicle that is making a left or right turn.
■
With Little Chance of a Collision
1
Collision Mitigation Braking System
Do not paint, or apply any coverings or paint to radar
sensor area. This can impact CMBS
TM
operation.
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TM
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Collision Mitigation Braking System
TM
(CMBS
TM
)
Driving
■
On a curve
When driving through curves, your vehicle comes to a point where an oncoming
vehicle is right in front of you.
■
Through a low bridge at high speed
You drive under a low or narrow bridge at high speed.
■
Speed bumps, road work sites, train tracks, roadside objects, etc.
You drive over speed bumps, steel road plates, etc., or your vehicle approaches train
tracks or roadside objects [such as a traffic sign and guard rail] on a curve or, when
parking, stationary vehicles and walls.
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Adaptive Cruise Control (ACC) with Low Speed Follow
Driving
Adaptive Cruise Control (ACC) with Low Speed
Follow
Helps maintain a constant vehicle speed and a set following-interval behind a vehicle
detected ahead of yours and, if the detected vehicle comes to a stop, can decelerate
and stop your vehicle, without you having to keep your foot on the brake or the
accelerator.
When ACC with Low Speed Follow slows your vehicle by applying the brakes, your
vehicle’s brake lights will illuminate.
1
Adaptive Cruise Control (ACC) with Low Speed Follow
Important Reminder
As with any system, there are limits to ACC with Low
Speed Follow. Use the brake pedal whenever
necessary, and always keep a safe interval between
your vehicle and other vehicles.
3
WARNING
Improper use of ACC with Low Speed
Follow can lead to a crash.
Use ACC with Low Speed Follow only when
driving on expressways or freeways and in
good weather conditions.
3
WARNING
ACC with Low Speed Follow has limited
braking capability and may not stop your
vehicle in time to avoid a collision with a
vehicle that quickly stops in front of you.
Always be prepared to apply the brake
pedal if the conditions require.
■
Vehicle speed for ACC with Low Speed Follow:
A vehicle is detected ahead
within ACC with Low Speed Follow range
– ACC with Low Speed Follow
operates at speeds up to 90 mph (145 km/h).
No vehicle is detected within ACC with Low Speed Follow range
– ACC with
Low Speed Follow operates at the speed of about 25 mph (40 km/h) or above.
■
Gear position for ACC with Low Speed Follow: In
(
D
or
(
S
.
The radar sensor is
behind the emblem.
The camera is
located behind the
rearview mirror.
When to use
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