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Honda Accord (2019 year). Manual - part 34

Honda Sensing®

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

528

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

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

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Honda Sensing®

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

530

Honda Sensing®

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

83 feet

25 meters

1.1 sec

100 feet

31 meters

1.1 sec

Middle

110 feet

33 meters

1.5 sec

137 feet

42 meters

1.5 sec

Long

154 feet

47 meters

2.1 sec

200 feet

61 meters

2.1 sec

Extra
Long

207 feet

63 meters

2.9 sec

272 feet

83 meters

2.9 sec

Continued

531

Honda Sensing®

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.

The ACC with LSF indicator (green) goes
off.

• Depress the brake pedal.

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

■

To Cancel

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

Honda Sensing®

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

532

Driving

■

Automatic cancellation

The beeper sounds and a message appears on the driver information interface when
ACC with LSF is automatically canceled. Any of these conditions may cause the ACC
with LSF to automatically cancel:
• Bad weather (rain, fog, snow, etc.)
• When the radar sensor at the lower part of the front bumper 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, VSA® or CMBS

is activated.

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

the windshield, gets dirty.

• When the Maximum Load Limit is exceeded.
• When passing through an enclosed space, such as tunnel.

In the following cases, a buzzer sounds, ACC with LSF is deactivated, and the Cruise
Cancelled: Slope Too Steep. Watch Downhill Speed message appears in the
driver information interface.
• The vehicle has repeatedly applied the brakes to maintain the set speed (for

example, you are descending a long slope).

The ACC with LSF automatic cancellation can be also triggered by the following
causes. In these cases, the parking brake will be automatically applied.
• The driver’s seat belt is unfastened when the vehicle is stationary.
• The vehicle stops for more than 10 minutes.
• The engine is turned off.

Automatic cancellation

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

Continued

533

Honda Sensing®

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

Driving

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

■

When to use

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

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.

When you use cruise control, 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 Switch ACC with LSF to Cruise Control

To Switch ACC with LSF 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.

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

2 Speed Unit P. 149
2 Customized Features P. 370, 381

ACC with
LSF ON

Cruise
Control ON

■

To Set the Vehicle Speed

Honda Sensing®

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

534

Driving

Each time you press the RES/+ or SET/– button, the vehicle speed is increased or
decreased by about 1 mph (1.6 km/h).
If you keep pressing the RES/+ or SET/– button, the vehicle speed increases or
decreases until you release it. This speed is then set.

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 Adjust the Vehicle Speed

■

To Cancel

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.

535

Honda Sensing®

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.

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.

WARNING

Improper use of ACC can lead to a crash.

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

WARNING

ACC has limited braking capability.

When your vehicle speed drops below
25 mph (40 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

■

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

■

Gear position for ACC: In

(

2 or higher position.

The radar sensor is at the
lower part of the front
bumper.

The camera is
located behind the
rearview mirror.

* Not available on all models

Honda Sensing®

Adaptive Cruise Control (ACC)

536

Driving

■

How to activate the system

Adaptive Cruise Control (ACC)

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

ACC may not work properly under certain conditions.

2 ACC Conditions and Limitations P. 540

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

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.

When the engine speed slows down, try to
downshift.
When the engine speed goes up, try to upshift.
You can maintain the set speed if you change gear
within five seconds.

How to use

■

Press the MAIN button on
the steering wheel.

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

* Not available on all models

Continued

537

Honda Sensing®

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
driver information interface.

When you use ACC, 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

To Set the Vehicle Speed

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

2 Speed Unit P. 149
2 Customized Features P. 381

The Vehicle Stability Assist® (VSA®) system, Vehicle
Stability Assist® (VSA®) OFF, adaptive cruise control
(ACC), safety support and low tire pressure/TPMS
indicators may come on in amber along with a
message in the driver information interface when you
set the power mode to ON after re-connecting 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.

On when ACC begins

Press and release

SET/− Button

Set Vehicle Speed

Set Vehicle Interval

Honda Sensing®

Adaptive Cruise Control (ACC)

538

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. 544

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

When in Operation

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

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
driver information interface.

Continued

539

Honda Sensing®

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.

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. 381

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. 540

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

When you depress the accelerator pedal

While the accelerator pedal is depressed, the system
does not apply the brakes to keep the following
interval, as well as the BRAKE message on the driver
information interface does not appear.

2 When in Operation P. 538

Honda Sensing®

Adaptive Cruise Control (ACC)

540

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.

■

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 radar sensor cover is dirty.
• When the front of the vehicle tilts up due to heavy cargo in the trunk or rear seats.
• When tire chains

are installed.

■

ACC Conditions and Limitations

ACC Conditions and Limitations

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

2 Radar Sensor P. 570

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

2 Front Sensor Camera P. 568

Always keep the radar sensor cover clean.

Never use chemical solvents or polishing powder for
cleaning the sensor cover. Clean it with water or a
mild detergent.

Do not put a sticker on the radar sensor cover or
replace the radar sensor cover.

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).

If the front of the vehicle is impacted in any of the
following situations, the radar sensor may not work
properly. Have your vehicle checked by a dealer:

•

The vehicle mounted onto a bump, curb, chock,
embankment, etc.

•

You drive the vehicle where the water is deep.

•

Your vehicle has a frontal collision.

* Not available on all models

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Honda Sensing®

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.

542

Honda Sensing®

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

543

Honda Sensing®

Adaptive Cruise Control (ACC)

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

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.

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

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