Honda Civic (2019 year). Manual - part 31

 

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Honda Civic (2019 year). Manual - part 31

 

 

480

uu

Honda Sensing®

*

u

Collision Mitigation Braking System

TM

 (CMBS

TM

)

Driving

• 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 meters) 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 CMBS

TM

 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 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.

Limitations applicable to pedestrian detection only

481

uu

Honda Sensing®

*

u

Collision Mitigation Braking System

TM

 (CMBS

TM

)

Continued

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

482

uu

Honda Sensing®

*

u

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.

483

uu

Honda Sensing®

*

u

Adaptive Cruise Control (ACC) with Low Speed Follow (LSF)

*

Continued

Driving

Adaptive Cruise Control (ACC) with Low Speed Follow (LSF)

*

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 LSF slows your vehicle by applying the brakes, your vehicle’s brake 
lights will illuminate.

1

Adaptive Cruise Control (ACC) with Low Speed Follow (LSF)

*

Important Reminder
As with any system, there are limits to ACC with LSF. 
Use the brake pedal whenever necessary, and always 
keep a safe interval between your vehicle and other 
vehicles.

The radar sensor for ACC with LSF is shared with the 
collision mitigation braking system

TM

 (CMBS

TM

).

Collision Mitigation Braking System

TM

 

(CMBS

TM

) P. 473

3

WARNING

Improper use of ACC with LSF can lead 
to a crash.

Use ACC with LSF only when driving on 
expressways or freeways and in good 
weather conditions.

3

WARNING

ACC with LSF 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.

When to use

Vehicle speed for ACC with LSF: A vehicle is detected ahead within ACC with 
LSF range
 – ACC with LSF operates at speeds up to 90 mph (145 km/h).
No vehicle is detected within ACC with LSF range – ACC with LSF operates at 
the speed of 25 mph (40 km/h) or above.

Shift position for ACC with LSF: In 

(

D or 

(

S.

The radar sensor is in 
the lower bumper.
Be careful not to have 
the radar sensor cover 
strongly impacted.

The camera is 
located behind 
the rearview 
mirror.

* Not available on all models

uu

Honda Sensing®

*

u

Adaptive Cruise Control (ACC) with Low Speed Follow (LSF)

*

484

Driving

How to activate the system

1

Adaptive Cruise Control (ACC) with Low Speed Follow (LSF)

*

You can read about handling information for the 
camera equipped with this system.

Front Sensor Camera P. 526

When the MAIN button is pressed, both ACC with 
LSF and the Lane Keeping Assist System (LKAS) are 
either turned on or off.

ACC with LSF may not work properly under certain 
conditions.

ACC with LSF Conditions and Limitations 

P. 489

When not using ACC with LSF: Turn off adaptive 
cruise by pressing the MAIN button. This also will 
turn off the Lane Keeping Assist System (LKAS).

Do not use ACC with LSF under the following 
conditions:

On roads with heavy traffic or while driving in 
continuous stop and go traffic.

On roads with sharp turns.

On roads with steep downhill sections, as the set 
vehicle speed can be exceeded by coasting. In such 
cases, ACC with LSF will not apply the brakes to 
maintain the set speed.

On roads with toll collection facilities or other 
objects between lanes of traffic, or in parking 
areas, or facilities with drive through access.

How to use

Press the MAIN button on 
the steering wheel.

ACC (green) is on in the instrument panel.
ACC with LSF is ready to use.

* Not available on all models

Continued

485

uu

Honda Sensing®

*

u

Adaptive Cruise Control (ACC) with Low Speed Follow (LSF)

*

Driving

When driving at about 25 mph (40 km/h) or above: Take your foot off the 
pedal and press the –/SET button when you reach the desired speed. The moment 
you release the button, the set speed is fixed, and ACC with LSF begins.
When driving slower than about 25 mph (40 km/h): If the vehicle is moving 
and the brake pedal is not depressed, pressing the button fixes the set speed to 
about 25 mph (40 km/h) regardless of current vehicle speed. If the vehicle is 
stationary, you can set the vehicle speed even with the brake pedal depressed.

When ACC with LSF starts operating, the 
vehicle icon, interval bars and set speed 
appear on the driver information interface.
When you use ACC with LSF, Straight Driving 
Assist (a feature of the Electric Power Steering 
system) is activated.
By enabling the steering system to 
automatically compensate for natural steering 
pull, Straight Driving Assist makes it easier for 
you to keep your vehicle in a straight line.

To Set the Vehicle Speed

1

To Set the Vehicle Speed

The indicators for the Adaptive Cruise Control (ACC) 
with Low Speed Follow (LSF), Road Departure 
Mitigation (RDM), Vehicle Stability Assist® (VSA®) 
system, Vehicle Stability Assist® (VSA®) OFF, Low Tire 
Pressure/TPMS

*

 and Collision Mitigation Braking 

System

TM

 (CMBS

TM

) may come on after re-connecting 

the battery. Drive a short distance at more than 12 
mph (20 km/h). The indicators should go off. If they 
do not, have your vehicle checked by a dealer.

You can switch the displayed set speed 
measurements on the driver information interface or 
audio/information screen between mph and km/h.

Customized Features P. 124, 337

On when ACC with LSF 
begins

Press and release

−/SET button

Set Vehicle Speed

Set Vehicle Interval

* Not available on all models

uu

Honda Sensing®

*

u

Adaptive Cruise Control (ACC) with Low Speed Follow (LSF)

*

486

Driving

There is a vehicle ahead

ACC with LSF monitors if a vehicle ahead of you enters the ACC with LSF range. If a 
vehicle is detected doing so, the ACC with LSF system maintains or decelerates your 
vehicle’s set speed in order to keep the vehicle’s set following-interval from the 
vehicle ahead.

To Set or Change Following-Interval P. 493

When a vehicle whose speed is slower than 
your set speed is detected in front of you, your 
vehicle starts to slow down.

When in Operation

1

When in Operation

If the vehicle ahead of you slows down abruptly, or if 
another vehicle cuts in front of you, the beeper 
sounds, a message appears on the driver information 
interface.

Depress the brake pedal, and keep an appropriate 
interval from the vehicle ahead.

Beep

ACC with LSF Range: 394 ft. (120 m)

A vehicle icon appears on the 
driver information interface

Continued

487

uu

Honda Sensing®

*

u

Adaptive Cruise Control (ACC) with Low Speed Follow (LSF)

*

Driving

There is no vehicle ahead

Your vehicle maintains the set speed without 
having to keep your foot on the brake or 
accelerator pedal.
If there previously was a vehicle detected 
ahead that kept your vehicle from traveling at 
the set speed, ACC with LSF accelerates your 
vehicle to the set speed, and then maintains it.

When you depress the accelerator pedal

You can temporarily increase the vehicle speed. In this case, there is no audible or 
visual alert even if a vehicle is in the ACC with LSF range.
ACC with LSF stays on unless you cancel it. Once you release the accelerator pedal, 
the system resumes an appropriate speed for keeping the following-interval while a 
vehicle ahead is within the ACC with LSF range.

1

When in Operation

Even if the interval between your vehicle and the 
vehicle detected ahead is short, ACC with LSF may 
start accelerating your vehicle under the following 
circumstances:

The vehicle ahead of you is going at almost the 
same speed as, or faster than, your vehicle.

A vehicle that cuts in front of you is going faster 
than your vehicle, gradually increasing the interval 
between the vehicles.

You can also set the system to beep when a vehicle in 
front of you comes in and goes out of the ACC with 
LSF detecting range. Change the ACC Forward 
Vehicle Detect Beep
 setting.

Customized Features P. 124, 337

Limitations
You may need to use the brake to maintain a safe 
interval when using ACC with LSF. Additionally, ACC 
with LSF may not work properly under certain 
conditions.

ACC with LSF Conditions and Limitations 

P. 489

25

A vehicle icon with dotted-line 
contour appears on the driver 
information interface

uu

Honda Sensing®

*

u

Adaptive Cruise Control (ACC) with Low Speed Follow (LSF)

*

488

Driving

A vehicle detected ahead is within ACC with LSF range and slows to a stop

Your vehicle also stops, automatically. The 
Stopped message appears on the driver 
information interface.
When the vehicle ahead of you starts again, 
the vehicle icon on the driver information 
interface blinks. If you press the RES/+ or 
–/SET button, or depress the accelerator 
pedal, ACC with LSF operates again within the 
prior set speed.
If no vehicle is ahead of you before you 
resume driving, depress the accelerator pedal 
and ACC with LSF will operate again within 
the prior set speed.

1

When in Operation

3

WARNING

Exiting a vehicle that has been stopped 
while the ACC with LSF system is 
operating can result in the vehicle 
moving without operator control.

A vehicle that moves without operator 
control can cause a crash, resulting in 
serious injury or death.

Never exit a vehicle when the vehicle is 
stopped by ACC with LSF.

Continued

489

uu

Honda Sensing®

*

u

Adaptive Cruise Control (ACC) with Low Speed Follow (LSF)

*

Driving

The system may automatically shut off and the ACC indicator will come on under 
certain conditions. Some examples of these conditions are listed below. Other 
conditions may reduce some of the ACC functions.

Front Sensor Camera P. 526

Environmental conditions

• Driving in bad weather (rain, fog, snow, etc.).

Roadway conditions

• Driving on a snowy or wet roadway (obscured lane marking, vehicle tracks, 

reflected lights, road spray, high contrast).

Vehicle conditions

• The outside of the windshield is blocked by dirt, mud, leaves, wet snow, etc.
• An abnormal tire or wheel condition (Wrong size, varied size or construction, 

improperly inflated, compact spare tire, etc.).

• The camera temperature gets too high.
• The parking brake is applied.
• When the lower bumper is dirty.
• The vehicle is tilted due to a heavy load or suspension modifications.
• When tire chains are installed.

ACC with LSF Conditions and Limitations

1

ACC with LSF Conditions and Limitations

If you need the radar sensor to be repaired, or 
removed, or the radar sensor cover is strongly 
impacted, turn off the system by pressing the MAIN 
button and take your vehicle to a dealer.

Have your vehicle checked by a dealer if you find any 
unusual behavior of the system (e.g., the warning 
message appears too frequently).

490

uu

Honda Sensing®

*

u

Adaptive Cruise Control (ACC) with Low Speed Follow (LSF)

*

Driving

Detection limitations

• A vehicle suddenly crosses in front of you.
• The interval between your vehicle and the vehicle 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 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 or 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.
• Your vehicle abruptly crosses over in front of an oncoming vehicle.

491

uu

Honda Sensing®

*

u

Adaptive Cruise Control (ACC) with Low Speed Follow (LSF)

*

Continued

Driving

• When driving through a narrow iron bridge.

• When the vehicle ahead of you brakes suddenly.
• When the vehicle ahead of you has a unique shape.

• When your vehicle or the vehicle ahead of you is driving on one edge of the lane.

Radar detects upper section of 
an empty carrier truck.

Panel truck, 
tanker truck, 
etc.

uu

Honda Sensing®

*

u

Adaptive Cruise Control (ACC) with Low Speed Follow (LSF)

*

492

Driving

Increase or decrease the vehicle speed using the RES/+ or –/SET button on the 
steering wheel.

• Each time you press the RES/+ or –/SET button, the vehicle speed is increased or 

decreased by about 1 mph or 1 km/h accordingly.

• If you keep pressing the RES/+ or –/SET button, the vehicle speed increases or 

decreases by about 5 mph or 5 km/h accordingly.

To Adjust the Vehicle Speed

1

To Adjust the Vehicle Speed

If a vehicle detected ahead is going at a speed slower 
than your increased set speed, ACC with LSF may not 
accelerate your vehicle. This is to maintain the set 
interval between your vehicle and the vehicle ahead.

When you depress the accelerator pedal and then 
push and release the –/SET button, the current speed 
of the vehicle is set.

To increase speed

To decrease speed

493

uu

Honda Sensing®

*

u

Adaptive Cruise Control (ACC) with Low Speed Follow (LSF)

*

Continued

Driving

Press the   (interval) button to change the 
ACC with LSF following-interval.
Each time you press the button, the following-
interval (the interval behind a vehicle detected 
ahead of you) setting cycles through extra 
long, long, middle, and short following-
intervals.

Determine the most appropriate following-
interval setting based on your specific driving 
conditions. Be sure to adhere to any 
following-interval requirements set by local 
regulation.

To Set or Change Following-Interval

Interval Button

494

uu

Honda Sensing®

*

u

Adaptive Cruise Control (ACC) with Low Speed Follow (LSF)

*

Driving

The higher your vehicle’s following-speed is, the longer the short, middle, long or 
extra long following-interval becomes. See the following examples for your 
reference.

When your vehicle stops automatically because a vehicle detected ahead of you has 
stopped, the interval between the two vehicles will vary based on the ACC with LSF 
interval setting.

Following-Interval

When the Set Speed is:

50 mph (80 km/h)

65 mph (104 km/h)

Short

81.0 feet

24.7 meters

1.1 sec

103.3 feet

31.5 meters

1.1 sec

Middle

112.2 feet

34.2 meters

1.5 sec

142.4 feet

43.4 meters

1.5 sec

Long

153.5 feet

46.8 meters

2.1 sec

199.4 feet

60.8 meters

2.1 sec

Extra 
Long

208.3 feet

63.5 meters

2.9 sec

273.6 feet

83.4 meters

2.9 sec

Continued

495

uu

Honda Sensing®

*

u

Adaptive Cruise Control (ACC) with Low Speed Follow (LSF)

*

Driving

To cancel ACC with LSF, do any of the 
following:
• Press the CANCEL button.
• Press the MAIN button.

u

ACC with LSF indicator goes off.

• Depress the brake pedal.

u

When the LSF function has stopped the 
vehicle, you cannot cancel ACC with LSF 
by depressing the brake pedal.

To Cancel

1

To Cancel

Resuming the prior set speed: After you have 
canceled ACC with LSF, you can resume the prior set 
speed while it is still displayed. Press the RES/+ 
button.

The set speed cannot be set or resumed when ACC 
with LSF has been turned off using the MAIN button. 
Press the MAIN button to activate the system, then 
set the desired speed.

CANCEL 
Button

MAIN 
Button

 

 

 

 

 

 

 

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