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

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uuHonda Sensing ®u Adaptive Cruise Control (ACC) with Low Speed Follow
Driving
The system may automatically shut off and the ACC indicator will come on under
certain conditions. Some examples of thes e conditions are listed below. Other
conditions may reduce some of the AC C with Low Speed Follow functions.
2Front Sensor Camera P. 491
■Environmental conditions
• Driving in bad weather (rain, fog, snow, etc.).
■Roadway conditions
• Driving on a snowy or wet roadway (obs cured 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 (Wro ng size, varied size or construction,
improperly inflated, co mpact 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 Low Speed Follow Conditions and Limitations1ACC with Low Speed Follow Conditions and Limitations
If you need the radar sensor to be repaired, or
removed, or the radar se nsor 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).
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uuHonda Sensing ®u Adaptive Cruise Control (ACC) with Low Speed Follow
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 dete ct a vehicle in front of you.
• The speed difference between your vehicl e 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
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.
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uuHonda Sensing ®u Adaptive Cruise Control (ACC) with Low Speed Follow
472
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 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.
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
Continued
Driving
Press the (interval) button to change the
ACC with Low Speed Follow following-
interval.
Each time you press th e 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
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474
uuHonda Sensing ®u Adaptive Cruise Control (ACC) with Low Speed Follow
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 beca use a vehicle detected ahead of you has
stopped, the interval between the two vehi cles 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
81.0 feet
24.7 meters
1.1 sec103.3 feet
31.5 meters
1.1 sec
Middle
112.2 feet
34.2 meters 1.5 sec142.4 feet
43.4 meters 1.5 sec
Long
153.5 feet
46.8 meters 2.1 sec199.4 feet
60.8 meters 2.1 sec
Extra
Long208.3 feet
63.5 meters
2.9 sec273.6 feet
83.4 meters
2.9 sec
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uuHonda Sensing ®u Adaptive Cruise Control (ACC) with Low Speed Follow
Driving
To cancel ACC with Low Speed Follow, do any
of the following:
• Press the CANCEL button.
• Press the MAIN button.
u ACC with Low Speed Follow indicator
goes off.
• Depress the brake pedal.
u When the Low Speed Follow function
has stopped the vehicle, you cannot
cancel ACC with Low Speed Follow by
depressing the brake pedal.
■To Cancel1 To 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
MAIN button. Press the MAIN button to activate the
system, then set the desired speed.
CANCEL
Button
MAIN
Button
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uuHonda Sensing ®u Adaptive Cruise Control (ACC) with Low Speed Follow
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Driving
■Automatic cancellation
The beeper sounds and a message appears on the driver information interface when
ACC with Low Speed Follow is automaticall y 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 in th e lower 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
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 ACC 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 enclos ed space, such as tunnel.
The ACC with Low Speed Follow automatic ca ncellation can be also triggered by the
following causes. In these cases, the pa rking brake will be automatically applied.
• The driver’s seat belt is unfasten ed when the vehicle is stationary.
• The vehicle stops for mo re 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.
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uuHonda Sensing ®u Adaptive Cruise Control (ACC) with Low Speed Follow
Driving
Press and hold the (interval) button for one
second. Cruise Mode Selected appears on
the driver informatio n interface for two
seconds, and then the mode switches to
Cruise.
To switch back to ACC with Low Speed
Follow, press and hold the button again for
one second. ACC Mode Selected appears on
the driver informatio n interface for two
seconds.
■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 Drivin g 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 Driv ing 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 following-interval from a vehicle
ahead of you.
ACC with
Low Speed
Follow ON Cruise
Control ON
■To Set the Vehicle Speed
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uuHonda Sensing ®u Adaptive Cruise Control (ACC) with Low Speed Follow
478
Driving
• Each time you press the RES/+ or –/SET button, the vehicle speed is increased or
decreased by about 1 mph or 1.6 km/h accordingly.
• If you keep the RES/+ or –/SET button pressed, 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 Cancel1To Cancel
Resuming the prior set speed:
After cruise control has be en 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 m ph (35 km/h) or less, cruise
control canceled automatically.
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