2021 HONDA ACCORD SEDAN brake

uuHonda Sensing ®u Adaptive Cruise Control (ACC) with Low Speed Follow
478
Driving
The system may automatically shut off and the indicator will come on under
certain conditions. Some examples of th ese conditions are listed below. Other
conditions may reduce some of the ACC with Low Speed Follow functions.
2Front Sensor Camera P. 506
2 Radar Sensor P. 508
■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 windshie ld is blocked by dirt, mud, leaves, wet snow, etc.
• An abnormal tire or wheel condition (Wrong sized, varied size or construction,
improperly inflated, comp act spare tire, etc.).
• The camera temperature gets too high.
• The parking brake is applied.
• When the radar sensor cover is dirty.
• The vehicle is tilted due to a heav y 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
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).
* Not available on all models

479
uuHonda Sensing ®u Adaptive Cruise Control (ACC) with Low Speed Follow
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.
• 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.

480
uuHonda Sensing ®u Adaptive Cruise Control (ACC) with Low Speed Follow
Driving
• 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.

uuHonda Sensing ®u Adaptive Cruise Control (ACC) with Low Speed Follow
484
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

Continued485
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.

487
uuHonda Sensing ®u Adaptive Cruise Control (ACC) with Low Speed Follow
Driving
Each time you press the RES/+ or SET/– button, the vehicle speed is increased or
decreased by about 1 mph or 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.
To cancel cruise control, do any of the following:
• Press the CANCEL button.
u The indicator (green) on the driver information interface changes to the
indicator (white).
• Press the button.
u The indicator (green) goes off.
• Depress the brake pedal.
u The indicator (green) on the driver information interface changes to the
indicator (white).
■To Adjust the Vehicle Speed
■To Cancel1 To 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 button is turned off.
At vehicle speeds of 22 m ph (35 km/h) or less, cruise
control canceled automatically.

uuHonda Sensing ®u Lane Keeping Assist System (LKAS)
490
Driving
The system can be used when the following conditions are met.
• The lane in which you are driving has dete ctable lane markers on both sides, and
your vehicle is in the center of the lane.
• The vehicle is traveling between about 45 and 90 mph (72 and 145 km/h).
• You are driving on a straight or slightly curved road.
• The turn signals are off.
• The brake pedal is not depressed.
• The wipers are not in high speed operation.
■How to activate the system
1.Press the LKAS button.
u indicator (white) and lane outlines
appear on the driver information
interface.
The system is activated.
■When the System can be Used1 When the System can be Used
If the vehicle drifts toward ei ther left or right lane line
due to the system applying torque, turn off the LKAS
and have your vehicle checked by a dealer.
LKAS Button (white)

uuHonda Sensing ®u Lane Keeping Assist System (LKAS)
492
Driving
■The system operation is suspended if
you:
• Set the wipers to high speed.
u Turning the wipers off, setting it to LO,
or the wipers are operating intermittently
resumes the LKAS.
• Decrease the vehicle speed to about 40 mph
(64 km/h) or less.
u Increasing the vehicle speed to about
45 mph (72 km/h) or more resumes the
LKAS.
• Depress the brake pedal.
u The LKAS resumes and starts detecting
the lane lines again once you release the
brake pedal.
• Your vehicle is driving to the right or the left
of the lane.
■The LKAS may automatically be suspended when:
• The system fails to detect lane lines.
• The steering wheel is quickly turned.
• You fail to steer the vehicle.
• Driving through a sharp curve.
• Driving at a speed in excess of approximately 90 mph (145 km/h).
Once these conditions no longer exis t, the LKAS automatically resumes.
1The system operation is suspended if you:
You can change the setting for the LKAS.
LKAS suspended beep ON and OFF can be selected.
2 Customized Features P. 352
When the LKAS is suspended,
the lane lines on the driver
information interface change to
contour lines, and the beeper
sounds (if activated).