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Table of Contents > Safe Driving > Driving > When Driving > Traffic Jam Assist

2024 Honda CR-V Owner's Manual ➜ Traffic Jam Assist

uuHonda Sensing®uTraffic Jam Assist  
Traffic Jam Assist  
The Traffic Jam Assist system uses a camera mounted to the upper portion of the  
windshield to detect and monitor left and right white (or yellow) traffic lane lines.  
Based on inputs from the camera, the system can apply steering torque to keep your  
vehicle in the center of the detected lane.  
1Traffic Jam Assist  
Important Safety Reminders  
Traffic Jam Assist is for your convenience only. It is  
not an autonomous driving system and always  
requires driver attention and control. The system  
does not work if you take your hands off the steering  
wheel or fail to steer the vehicle.  
How Traffic Jam Assist works  
When you are in heavy traffic and Lane Keeping Assist System (LKAS) is active, the  
Traffic Jam Assist system, upon detecting the traffic lane lines, will apply steering  
torque to help keep your vehicle in the center of the lane.  
Traffic Jam Assist is convenient when it is used on  
expressways or freeways.  
You can read about handling information for the  
camera equipped with this system.  
Front Sensor Camera  
Detects left and right white  
(or yellow) traffic lane lines  
2 Front Sensor Camera P. 542  
The Traffic Jam Assist only alerts you when lane drift  
is detected without a turn signal in use. The Traffic  
Jam Assist may not detect all lane markings or lane  
departures; accuracy will vary based on weather,  
speed, and lane marker condition.  
It is always your responsibility to safely operate the  
vehicle and avoid collisions.  
Traffic Jam Assist may not work properly under  
certain conditions:  
2 Traffic Jam Assist: Conditions and  
Limitations P. 532  
When you use the turn signal to indicate a lane change, Traffic Jam Assist is  
temporarily deactivated. It is reactivated once the vehicle is traveling in the  
center of the lane and the system has detected the traffic lane lines.  
When the driver takes full control of the steering, the steering assist function is  
temporarily canceled.  
The torque applied to the steering may not be noticeable when the driver has full  
control of the steering, or when the surface of the road is rough or uneven.  
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uuHonda Sensing®uTraffic Jam Assist  
Lane Departure Warning Function  
When the vehicle enters the warning area, Traffic Jam Assist alerts you with an  
audible alert as well as a warning display.  
Amber line  
LKAS indicator  
(green)  
Warning Area  
Warning Area  
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uuHonda Sensing®uTraffic Jam Assist  
1Traffic Jam Assist Activation  
Traffic Jam Assist Activation  
Refer to the following page for proper handling of  
the Lane Keeping Assist System (LKAS):  
2 Lane Keeping Assist System (LKAS) P. 515  
Traffic Jam Assist is activated when all of the following conditions exist:  
LKAS is activated.  
The lane in which you are driving has detectable lane markers on both sides, and  
your vehicle is in the center of the lane.  
The vehicle is traveling between about 0 and 45 mph (0 and 72 km/h).  
You are driving on a straight or slightly curved road.  
The driver is gripping the steering wheel.  
Refer to the following page for steering buttons and  
displays:  
2 Operation Switches for the Adaptive  
Cruise Control (ACC) with Low Speed  
Follow/Lane Keeping Assist System  
(LKAS)/Traffic Jam Assist P. 467  
The shift position is in (D, (S or (L.  
Do not use Traffic Jam Assist in any of the following situations:  
You are traveling on a road with sharp curves.  
u The system may not allow your vehicle to respond in a manner best suited for  
the road conditions.  
You are entering a toll booth, interchange, service area, or parking area.  
You are driving in adverse weather (rain, fog, snow, etc.).  
The surface of the road is slippery; for example, it is icy or covered with snow.  
u The tires may slip, causing you to lose control of the vehicle.  
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uuHonda Sensing®uTraffic Jam Assist  
1How Traffic Jam Assist Works  
How Traffic Jam Assist Works  
If your vehicle veers too far to the right or the left of  
the white (or yellow) traffic lane lines while Traffic  
Jam Assist is active, deactivate Traffic Jam Assist and  
have your vehicle checked by a dealer.  
Keep your vehicle near the center of the lane  
while driving.  
Green lines  
u The LKAS indicator changes from white  
to green, and white lines change to  
green once the system starts operating  
after detecting the left and right lane  
markings.  
In some cases the system cannot properly detect the  
traffic lane lines and, as a result, will not provide  
steering assistance.  
2 Traffic Jam Assist: Conditions and  
Limitations P. 532  
LKAS indicator (green)  
If the driver takes their hands off the steering wheel  
or does not adequately maintain control of steering,  
the warning below will appear.  
If the driver does not grip the steering wheel after the  
warning above has repeatedly appeared, a warning  
buzzer will sound and Traffic Jam Assist will be  
canceled.  
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uuHonda Sensing®uTraffic Jam Assist  
Canceling Traffic Jam Assist  
Press the LKAS button to cancel Traffic Jam Assist.  
1Traffic Jam Assist may be automatically suspended when:  
Traffic Jam Assist may be automatically suspended when:  
The system is automatically temporarily canceled under the following circumstances.  
The system fails to detect lane lines.  
The steering wheel is turned sharply.  
You fail to steer the vehicle.  
You are traveling over 45 mph (72 km/h).  
uWhen the speed of the vehicle reaches 45 mph  
(72 km/h), Traffic Jam Assist is deactivated and LKAS  
is activated instead. Once the speed of the vehicle  
drops to under 40 mph (64 km/h), Traffic Jam Assist  
is reactivated.  
You are driving through a sharp curve.  
The brake pedal is depressed.  
Once these conditions no longer exist, Traffic Jam Assist automatically resumes.  
You can change the setting for the Traffic Jam Assist.  
Traffic Jam Assist suspended beep on and off can be  
changed when you select the Lane keep assist beep  
on the driver information interface* or audio/  
information screen*.  
Traffic Jam Assist may be automatically canceled when:  
The traffic lane lines will disappear from the screen, the beeper may sound, and  
Traffic Jam Assist will be canceled under the following circumstances:  
The temperature of the camera is too high.  
The camera behind the rearview mirror, or the area around the camera, including  
the windshield, is dirty.  
2 Settings* P. 129  
2 Customized Features P. 359  
* Not available on all models  
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uuHonda Sensing®uTraffic Jam Assist  
Traffic Jam Assist: Conditions and Limitations  
The system may not detect lane markings and therefore may not keep the vehicle in  
the middle of the lane under certain conditions, including the following:  
Environmental conditions  
There is little contrast between lane lines and the roadway surface.  
Driving in bad weather (rain, fog, snow, etc.).  
Driving on a snowy or wet roadway.  
Driving into low sunlight (e.g., at dawn or dusk).  
Shadows of adjacent objects (trees, buildings, guard rails, vehicles, etc.) are  
parallel to white (or yellow) lines.  
Sudden changes between light and dark, such as the entrance or exit of a tunnel  
or the shadows of trees, buildings, etc.  
Driving at night or in a dark place such as a tunnel (due to low-light conditions,  
lane lines or the road surface may not be illuminated).  
When the lane lines or road surface are not visible, such as when the distance to  
the vehicle in front of you is extremely short or when at an intersection.  
Strong light is reflected onto the roadway.  
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uuHonda Sensing®uTraffic Jam Assist  
Roadway conditions  
Driving on a road with temporary lane markings.  
Faint, multiple, or varied lane markings are visible on the roadway due to road  
repairs or old lane markings.  
Faded lines  
Duplicate lines  
Tire tracks  
The roadway has merging, split, or crossing lines, such as at an intersection or  
crosswalk.  
The lane markings are extremely narrow, wide, or changing.  
Very wide or narrow traffic lane  
Part of the lane markings are hidden by an object, such as a vehicle.  
The road is hilly or the vehicle is approaching the crest of a hill.  
Your vehicle is strongly shaken on uneven road surfaces.  
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uuHonda Sensing®uTraffic Jam Assist  
When objects on the road (curb, guard rail, pylons, etc.) are recognized as white  
(or yellow) lines.  
Driving on rough or unpaved roads, or over bumpy surfaces.  
Driving on roads with double lane lines.  
Driving on snowy or slippery roads.  
The pavement is only partially visible due to snow or puddles on the road.  
There is a film of water or puddles on the road surface.  
White (or yellow) lines are not recognized correctly due to road conditions such as  
curves, twists, or hills.  
Driving on unpaved or rutted roads.  
Passing through an exit or an interchange.  
Lane void of lines at exit or  
interchange  
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uuHonda Sensing®uTraffic Jam Assist  
Vehicle conditions  
When lighting is weak due to dirt covering the headlight lenses, or there is poor  
visibility in a dark place due to the headlights being improperly adjusted.  
The front of the camera is covered by dirt, fog, rain, mud, wet snow, seals,  
accessories, stickers, or film on the windshield.  
Driving at night or in a dark place (e.g., a tunnel) with the headlights off.  
There is residue on the windshield from the windshield wipers.  
An abnormal tire or wheel condition (incorrect sizes, varied sizes or construction,  
improperly inflated, compact spare tire, etc.).  
The vehicle is tilted due to a heavy load in the cargo area or rear seats.  
The suspension has been modified.  
Tire chains are installed.  
The vehicle is towing a trailer.  
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