2021 HONDA ACCORD SEDAN Owner's Manual (in English)

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uuHonda Sensing ®u Adaptive Cruise Control (ACC) with Low Speed Follow
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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.
• 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.
• There are animals in front of your vehicle.
• 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 vehi cle 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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uuHonda Sensing ®u Adaptive Cruise Control (ACC) with Low Speed Follow
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• Driving through a narrow metal bridge.
• The vehicle ahead of you brakes suddenly.
• The vehicle ahead of you has a unique shape.
• 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.

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uuHonda Sensing ®u Adaptive Cruise Control (ACC) with Low Speed Follow
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 the RES/+ or SET/– button pressed, the vehi cle speed increases or
decreases by about 5 mph or 5 km/h accordingly.
■To Adjust the Vehicle Speed1 To Adjust the Vehicle Speed
If a vehicle detected ahead is going at a speed slower
than your increased set speed, ACC with Low Speed
Follow may not accelerate y our 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 driver information interface or
audio/information screen between mph and km/h. 2 Speed/Distance Units P. 151
2 Customized Features P. 352
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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uuHonda Sensing ®u Adaptive Cruise Control (ACC) with Low Speed Follow
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Press the Interval butt on to change the ACC
with Low Speed Follow 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 requ irements set by local
regulation.
■To Set or Change Following-interval
Interval Button

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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 beca use a vehicle detected ahead of you has
stopped, the interval between the two vehicl es will vary based on the ACC with Low
Speed Follow interval setting.
Following IntervalWhen the Set Speed is:
50 mph (80 km/h)65 mph (104 km/h)
Short
83 feet
25 meters
1.1 sec100 feet
31 meters
1.1 sec
Middle
110 feet
33 meters 1.5 sec137 feet
42 meters 1.5 sec
Long
154 feet
47 meters 2.1 sec200 feet
61 meters 2.1 sec
Extra
Long207 feet
63 meters
2.9 sec272 feet
83 meters
2.9 sec

uuHonda Sensing ®u Adaptive Cruise Control (ACC) with Low Speed Follow
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Driving
To cancel ACC with Low Speed Follow, do any
of the following:
• Press the CANCEL button.
u The indicator (green) on the driver
information interface change to the
indicator (white).
• Press the button.
u indicator (green) goes off.
• Depress the brake pedal while the vehicle is
moving forward.
u The indicator (green) on the driver
information interface change to the
indicator (white).
■To Cancel1To Cancel
Resuming the prior set speed: After you have
canceled ACC with Low Speed Follow, 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 Low Speed Follow has been turned off using the button. Press the button to activate the
system, then set the desired speed.
CANCEL Button
Button

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uuHonda Sensing ®u Adaptive Cruise Control (ACC) with Low Speed Follow
Driving
■Automatic cancellation
The beeper sounds and a message appears on the driver information interface when
ACC with Low Speed Follow is automatically canceled. Any of these conditions may
cause the ACC with Low Speed Fo llow 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 yo u 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
TM 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 AC C with Low Speed Follow 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.
• The vehicle has repeatedly applied the brakes to maintain the set speed (for
example, you are descending a long slope).
The ACC with Low Speed Follow automatic ca ncellation can be also triggered by the
following causes. In these cases, the parking brake will be automatically applied.
• The driver’s seat belt is unfastene d when the vehicle is stationary.
• The vehicle stops for more than 10 minutes.
• The engine is turned off.
1Automatic cancellation
Even though ACC with Low Speed Follow has been
automatically canceled, you can still resume the prior
set speed. Wait until the condition that caused ACC
with Low Speed Follow to cancel improves, then
press the SET/– button.

uuHonda Sensing ®u Adaptive Cruise Control (ACC) with Low Speed Follow
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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.
The indicator comes on.
• White: The system is standby.
• Green: The system is on.
To switch back to ACC with Low Speed
Follow, press and hold the interval 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 color of indicator changes from white to green.
When you use cruise control, Straight Driving Assist (a feature of the Electric Power
Steering system) is activated.
By enabling the steering system to automa tically 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 Low Speed Follow to Cruise Control1 To Switch ACC with Low Speed Follow 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 followi ng 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/Distance Units P. 151
2 Customized Features P. 352
ACC with
Low Speed
Follow ON Cruise
Control ON
(white)
(white)
Interval
Button
■To Set the Vehicle Speed