Honda HR-V (2019 year). Instruction - part 30

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Collision Mitigation Braking System

TM

 (CMBS

TM

)

Driving

■

Automatic shutoff

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 CMBS

TM

 to shut off improve or are addressed (e.g., 

cleaning), the system comes back on.

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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

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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)

Continued

Driving

Adaptive Cruise Control (ACC)

Helps maintain a constant vehicle speed and a set following-interval behind a vehicle 
detected ahead of yours, without you having to keep your foot on the brake or the 
accelerator.

1

Adaptive Cruise Control (ACC)

3

WARNING

Improper use of ACC can lead to a crash.

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

3

WARNING

ACC has limited braking capability.

When your vehicle speed drops below 22 
mph (35 km/h), ACC will automatically 
cancel and no longer will apply your 
vehicle’s brakes.

Always be prepared to apply the brake 
pedal when conditions require.

When to use

The camera is located 
behind the rearview 
mirror.

The radar sensor is in the front 
grille.

■

Vehicle speed for adaptive cruise control: Desired speed in 
a range above roughly 25 mph (40 km/h) ~

■

Shift positions for adaptive cruise control: In 

(

D or 

(

S

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Adaptive Cruise Control (ACC)

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Driving

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How to activate the system

1

Adaptive Cruise Control (ACC)

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

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

2 Front Sensor Camera P. 494

For directions on the proper handling of the radar 
sensor, refer to the following page.

2 Radar Sensor P. 496

How to use

ACC is on in the multi-
information display.
Adaptive cruise control is 
ready to use.

■

Press the MAIN button on 
the steering wheel.

Continued

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Adaptive Cruise Control (ACC)

Driving

Take your foot off the pedal and press down the –/SET button when you reach the 
desired speed. The moment you release the button, the set speed is fixed, and ACC 
begins.

When ACC starts operating, the vehicle icon, 
interval bars and set speed appear on the 
multi-information display.

■

To Set the Vehicle Speed

1

Adaptive Cruise Control (ACC)

ACC may not work properly under certain conditions.

2 ACC Conditions and Limitations P. 472

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

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

Do not use ACC 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 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.

On when adaptive cruise control begins

–/SET Button

Press and release

Set Vehicle 
Speed

Set Vehicle

Interval

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Adaptive Cruise Control (ACC)

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Driving

■

There is a vehicle ahead

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

2 To Set or Change Following-interval P. 475

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 multi-information 
display.

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

Beep

ACC Range: 394 ft. (120 m)

A vehicle icon appears on the 
multi-information display.

Continued

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Adaptive Cruise Control (ACC)

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 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 range.
ACC 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 range.

1

When in Operation

Even if the interval between your vehicle and the 
vehicle detected ahead is short, ACC 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 
detecting range. Change the ACC Forward Vehicle 
Detect Beep setting.

2 Customized Features P. 122

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

2 ACC Conditions and Limitations P. 472

A vehicle icon with dotted-line 
contour appears on the multi-
information display.

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Adaptive Cruise Control (ACC)

472

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.

2 Front Sensor Camera P. 494

■

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 sized, varied size or construction, 

improperly inflated, compact spare tire, etc.).

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

■

ACC Conditions and Limitations

1

ACC 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.

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Adaptive Cruise Control (ACC)

Continued

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.

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Adaptive Cruise Control (ACC)

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.

Continued

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Adaptive Cruise Control (ACC)

Driving

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

• Each time you press the button, the vehicle speed is increased or decreased by 

about 1 mph or 1 km/h accordingly.

• If you keep the button pressed, the vehicle speed increases or decreases by about 

5 mph or 5 km/h accordingly.

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

■

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 may not 
accelerate your vehicle. This is to maintain the set 
interval between your vehicle and the vehicle ahead.

You can switch the displayed set speed 
measurements on the multi-information display 
between mph and km/h.

2 Customized Features P. 122

■

To Set or Change Following-interval

To increase speed

To decrease speed

Interval Button

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Adaptive Cruise Control (ACC)

Driving

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.

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.

Vehicle Interval

When the Set Speed is:

50 mph (80 km/h)

65 mph (104 km/h)

Short

86.7 feet

26.4 meters

1.2 sec

100.5 feet

30.6 meters

1.1 sec

Middle

112.9 feet

34.4 meters

1.5 sec

137.4 feet

41.9 meters

1.5 sec

Long

157.2 feet

47.9 meters

2.2 sec

200.0 feet

61.0 meters

2.1 sec

Extra 
Long

220.2 feet

67.1 meters

3.0 sec

282.7 feet

86.2 meters

3.0 sec

Continued

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Adaptive Cruise Control (ACC)

Driving

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

u

ACC indicator (green) goes off.

• Depress the brake pedal.

■

Automatic cancellation

The beeper sounds and a message appears on the multi-information display when 
ACC is automatically canceled. Any of these conditions may cause the ACC to 
automatically cancel:
• Bad weather (rain, fog, snow, etc.).
• When the radar sensor in the front grille gets dirty.
• The vehicle ahead of you cannot be detected.
• An abnormal tire condition is detected, or the tires are skidding.
• Driving on a mountainous road, or driving off road for extended periods.
• Abrupt steering wheel movement.
• When the ABS or VSA® or CMBS

TM

 is activated.

• When the ABS or VSA® system indicator comes on.
• When you manually apply the parking brake.
• When the detected vehicle within the ACC range is too close to your vehicle.
• The camera behind the rearview mirror, or the area around the camera, including 

the windshield, gets dirty.

■

To Cancel

1

To Cancel

Resuming the prior set speed: After you have 
canceled ACC, you can resume the prior set speed 
while it is still displayed. Press the RES/+ button 
when driving at a speed of at least 25 mph (40 km/h) 
or more.

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

MAIN 
Button

CANCEL 
Button

1

Automatic cancellation

Even though ACC has been automatically canceled, 
you can still resume the prior set speed. Wait until the 
condition that caused ACC to cancel improves, then 
press the RES/+ button.

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Adaptive Cruise Control (ACC)

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Driving

Press and hold the   (interval) button for one 
second. Cruise Mode Selected appears on 
the multi-information display for two seconds, 
and then the mode switches to Cruise.
To switch back to ACC, press and hold the   
(interval) button again for one second. ACC 
Mode Selected appears on the multi-
information display for two seconds.

■

When to use

Desired speed in a range above roughly 25 mph (40 km/h) ~.

■

To Switch ACC to Cruise Control

1

To Switch ACC to Cruise Control

Always be aware which mode you are in. When you 
are driving in Cruise mode, the system will not assist 
you to maintain a following interval from a vehicle 
ahead of you.

ACC ON

Cruise 
Control ON

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Adaptive Cruise Control (ACC)

Driving

Take your foot off the pedal and press the –/SET button when you reach the desired 
speed.
The moment you release the –/SET button, the set speed is fixed, and cruise control 
begins. The CRUISE CONTROL indicator comes on.

Each time you press the RES/+ or –/SET button, the vehicle speed is increased or 
decreased by about 1 mph (1 km/h).
If you keep the RES/+ or –/SET button pressed, the vehicle speed increases or 
decreases by about 5 mph or 5 km/h accordingly.

To cancel cruise control, do any of the following:
• Press the CANCEL button.
• Press the MAIN button.
• Depress the brake pedal.
The CRUISE CONTROL indicator goes off.

■

To Set the Vehicle Speed

■

To Adjust the Vehicle Speed

■

To Cancel

1

To Cancel

Resuming the prior set speed:
After cruise control has been canceled, you can still 
resume the prior set speed by pressing the RES/+ 
button while driving at a speed of at least 25 mph (40 
km/h) or more.

You cannot set or resume in the following situations:

•

When vehicle speed is less than 25 mph (40 km/h)

•

When the MAIN button is turned off.

At vehicle speeds of 22 mph (35 km/h) or less, cruise 
control canceled automatically.