uuHonda SensinguCollision Mitigation Braking System (CMBS)
Collision Mitigation Braking System (CMBS)
1Collision Mitigation Braking System (CMBS)
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 is designed to alert you when a
potential collision is determined, as well as to reduce your vehicle speed to help
minimize collision severity when a collision is deemed unavoidable.
Important Safety Reminder
The CMBS is designed to reduce the severity of an
unavoidable collision. It does not prevent collision nor
stop the vehicle automatically. It is still your
responsibility to operate the brake pedal and steering
wheel appropriately according to the driving
conditions.
Manual transmission models
When the CMBS activates, the engine may stop
automatically.
Start the engine by normal operation if the engine
stops.
2 Starting the Engine P. 514, 517
The CMBS may not activate or may not detect a
vehicle in front of your vehicle under certain
conditions:
2 CMBS Conditions and Limitations P. 566
You can read about handling information for the
camera equipped with this system.
2 Front Sensor Camera P. 626
For directions on the proper handling of the radar
sensor, refer to the following page.
2 Radar Sensor P. 628
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uuHonda SensinguCollision Mitigation Braking System (CMBS)
■ How the system works
1How the system works
When the CMBS activates, it may automatically apply
the brake. It will be cancelled when your vehicle stops
or a potential collision is not determined.
When to use
The camera is
located behind
the rearview
mirror.
The radar sensor is
in the front grille.
The system starts monitoring the roadway ahead when your vehicle speed is about
5 km/h (3 mph) and there is a vehicle in front of you.
The CMBS activates when:
●
The speed difference between your vehicle and a vehicle or pedestrian detected
in front of you becomes about 5 km/h (3 mph) and over with a chance of a
collision.
Your vehicle speed is about 100 km/h (62 mph) 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 travelling in
your same direction.
- A pedestrian who is detected in front of you.
●
Your vehicle speed is above 100 km/h (62 mph), and the system determines there
is a chance of a collision with a vehicle detected in front of you travelling in your
same direction.
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uuHonda SensinguCollision Mitigation Braking System (CMBS)
■ When the system activates
1How the system works
The camera in the CMBS 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.
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.)
Visual Alerts
Audible Alert
Refer to the ones indicating the pedestrian detection
limitations from the list.
2 CMBS Conditions and Limitations P. 566
Beep
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.
Head-up Warning
Lights*
At system’s earliest collision alert stage, you can change the distance (Far/Normal/
Near) between vehicles at which alerts will come on through the driver information
interface or audio/information screen setting options.
Lens
2 Customized Features P. 158, 413
* Not available on all models
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563
uuHonda SensinguCollision Mitigation Braking System (CMBS)
Collision Alert Stages
■
The system has three alert stages for a possible collision. However, depending on circumstances, the CMBS may not go through all of the
stages before initiating the last stage.
CMBS
Distance between vehicles
The sensors
E-pretensioner
Audible & Visual WARNINGS
Braking
detect a vehicle
When in Far, visual and audible
alerts come on at a longer distance
from a vehicle ahead than in
Normal setting, and in Near, at a
shorter distance than in Normal.
Normal
Far Near
There is a risk of a
collision with the
vehicle ahead of
you.
Vehicle
Ahead
Stage
one
—
—
Your Vehicle
Retracts the driver’s seat belt
gently a few times, providing
a physical warning.
The risk of a
collision has
increased, time to
respond is
Your
Vehicle
Vehicle
Ahead
Stage
two
Lightly
applied
reduced.
Visual and audible alerts.
Forcefully tightens driver and
front passenger seat belts.
The CMBS
determines that a
collision is
Your
Vehicle
Vehicle
Ahead
Stage
three
Forcefully
applied
unavoidable.
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uuHonda SensinguCollision Mitigation Braking System (CMBS)
1Collision Mitigation Braking System (CMBS)
CMBS On and Off
■
The CMBS may automatically shut off, and the CMBS
indicator will come and stay on under certain
conditions.
Press and hold the button until the beeper
sounds to switch the system on or off.
2 CMBS Conditions and Limitations P. 566
When the CMBS is off:
• The CMBS indicator in the instrument panel
comes on.
• A message on the driver information
interface reminds you that the system is off.
When the CMBS is activated, it will continue to
operate even if the accelerator pedal is partially
depressed. However, it will be cancelled if the
accelerator pedal is deeply depressed.
The adaptive cruise control (ACC)*, adaptive cruise
control (ACC) with low speed follow (LSF)*, road
departure mitigation, vehicle stability assist (VSA)
system, vehicle stability assist (VSA) OFF, low tyre
pressure/deflation warning system, collision
mitigation braking system (CMBS), and parking brake
and brake system (amber) indicators may come on in
amber along with a message in the driver information
interface when you turn the ignition switch to ON
(w*1 after reconnecting the battery. Drive a short
distance at more than 20 km/h (12 mph). Each
indicator should go off. If any do not, have your
vehicle checked by a dealer.
The CMBS is turned on every time you start
the engine, even if you turned it off the last
time you drove the vehicle.
*1: Models with the keyless access system have an
ENGINE START/STOP button instead of an ignition
switch.
* Not available on all models
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uuHonda SensinguCollision Mitigation Braking System (CMBS)
1CMBS Conditions and Limitations
CMBS Conditions and Limitations
■
Have your vehicle checked by a dealer if you find any
unusual behaviour of the system (e.g. the warning
message appears too frequently).
The system may automatically shut off and the CMBS indicator will come on under
certain conditions. Some examples of these conditions are listed below. Other
conditions may reduce some of the CMBS functions.
2 Front Sensor Camera P. 626
■ 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 windscreen.
• 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.
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uuHonda SensinguCollision Mitigation Braking System (CMBS)
■ Vehicle conditions
• Headlight lenses are dirty or the headlights are not properly adjusted.
• The outside of the windscreen is blocked by dirt, mud, leaves, wet snow, etc.
• The inside of the windscreen is fogged.
• An abnormal tyre or wheel condition (wrong sized, varied size or construction,
improperly inflated, etc.).
• When tyre 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 in the front grille gets dirty.
• The vehicle is towing a trailer.
Continued
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uuHonda SensinguCollision Mitigation Braking System (CMBS)
■ 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 or pedestrian 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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uuHonda SensinguCollision Mitigation Braking System (CMBS)
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 1 metre or taller than about 2 metres
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
CMBS may automatically shut itself off and the CMBS indicator 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 tyre condition is detected (wrong tyre size, flat tyre, etc.).
• The camera behind the rearview mirror, or the area around the camera, including
the windscreen, gets dirty.
Once the conditions that caused CMBS to shut off improve or are addressed (e.g.,
cleaning), the system comes back on.
Continued
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uuHonda SensinguCollision Mitigation Braking System (CMBS)
With Little Chance of a Collision
■
The CMBS 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.
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uuHonda SensinguCollision Mitigation Braking System (CMBS)
■ 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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