Nissan ARIYA 2024 Owners Manual
9.19.3. Intelligent Emergency Braking with Pedestrian Detection system limitations
Listed below are the system limitations for the Intelligent Emergency Braking with Pedestrian Detection system. Failure to operate the vehicle in accordance with these system limitations could result in serious injury or death.
The Intelligent Emergency Braking with Pedestrian Detection system cannot detect all vehicles, pedestrians or cyclists under all conditions.
The Intelligent Emergency Braking with Pedestrian Detection system does not detect the following:
Pedestrians that are small (for example, children), in a sitting position, operating toys/skateboards, on scooters or in wheelchairs, or not in an upright standing or walking position.
Animals of any size.
Obstacles (for example, cargo or debris) on the roadway or roadside.
Crossing vehicles.
Vehicles where the tyres are difficult to see or the shape of the rear of the vehicle is unclear or obstructed.
Parked vehicles.
The Intelligent Emergency Braking with Pedestrian Detection system has some performance limitations.
If a stationary vehicle is in the vehicle’s path, the system will not function when the vehicle approaches the stationary vehicle at speeds over approximately 100 km/h (62 MPH).
Pedestrian and cyclist detection will not function when the vehicle is driven at speeds over approximately 80 km/h (50 MPH) or below approximately 10 km/h (6 MPH).
For pedestrians, the Intelligent Emergency Braking with Pedestrian Detection system will not issue the first warning.
The Intelligent Emergency Braking with Pedestrian Detection system may not function properly or detect a vehicle, pedestrian or cyclist (models with cyclist detection) ahead in the following conditions:
In poor visibility conditions (such as rain, snow, fog, dust storms, sand storms, smoke, and road spray from other vehicles).
If dirt, ice, snow, fog or other material is covering the radar sensor area or camera area of the windshield.
If strong light (for example, sunlight or high beams) enters the front camera or a sudden change in brightness occurs (for example, entering a tunnel or driving in lightning).
In dark or dimly lit conditions, such as at night or in tunnels, including cases where your vehicle’s headlights are off or dim, or the tail lights of the vehicle ahead are off.
When the direction of the camera is misaligned.
When driving on a steep downhill slope, on roads with sharp curves, and/or bumpy or dirt roads.
If there is interference by other radar sources.
When your vehicle’s position or movement is changed quickly or significantly (for example, lane change, turning vehicle, abrupt steering, sudden acceleration or deceleration).
When your vehicle or the vehicle, pedestrian or cyclist ahead moves quickly or significantly such that the system cannot detect and react in time (for example, pedestrian moving quickly toward the vehicle at close range, vehicle cutting in, changing lanes, making a turn, steering abruptly, sudden acceleration or deceleration).
When the vehicle, pedestrian or cyclist is offset from the vehicle’s forward path.
If the speed difference between the two vehicles is small.
The pedestrian’s profile is partially obscured or unidentifiable; for example, due to transporting luggage, pushing a stroller, wearing bulky or very loose-fitting clothing or accessories, or being in a unique posture (such as raising hands).
There is poor contrast of a person to the background, such as having clothing color or pattern which is similar to the background.
For approximately 15 seconds after starting the EV system.
When the system has never detected an obstacle since the vehicle was driven after the EV system was started.
If the vehicle ahead or oncoming vehicle has a unique or unusual shape, extremely low or high clearance heights, or unusual cargo loading or is narrow (for example, a motorcycle).
When the vehicle, pedestrian or cyclist is located near a traffic sign, a reflective area (for example, water on road), or is in a shadow.
When multiple pedestrians or cyclists are grouped together.
When the view of the pedestrian or cyclist is obscured by a vehicle or other object.
While towing a trailer or other vehicle.
The system performance may be degrade in the following conditions:
The vehicle is driven on a slippery road.
The vehicle is driven on a slope.
Excessively heavy baggage is loaded in the rear seat or the cargo area of your vehicle.
The system is designed to automatically check the sensor’s (radar and camera) functionality, within certain limitations. The system may not detect some forms of obstruction of the sensor area such as ice, snow or stickers, for example. In these cases, the system may not be able to warn the driver properly. Be sure that you check, clean and clear sensor areas regularly.
In some road and traffic conditions, the Intelligent Emergency Braking with Pedestrian Detection system may unexpectedly apply partial braking. When acceleration is necessary, depress the accelerator pedal to override the system.
The Intelligent Emergency Braking with Pedestrian Detection system may operate when a pattern, object, shadow or lights are detected that are similar to the outline of vehicles, pedestrians or cyclists, or if they are the same size and position as a vehicle or motorcycle’s tail lights.
The system may keep operating when the vehicle ahead is turning right or left.
The system may operate when your vehicle is approaching and passing a vehicle ahead.
Depending on the road shape (curved road, entrance and exit of the curve, winding road, lane regulation, under construction, etc.), the system may operate temporarily for the approaching vehicle in front of your vehicle.
The Intelligent Emergency Braking with Pedestrian Detection system may react to:
objects on the roadside (traffic sign, guardrail, pedestrian, cyclist, motorcycle, vehicle, etc.)
pedestrians or cyclists when driving on the narrow alleys, etc.
pedestrians or cyclists who temporarily protrude into or approaching the driving lane to avoid the obstacles on the road shoulder
objects above road (low bridge, traffic sign, etc.)
objects on the road surface (railroad track, grate, steel plate, etc.)
objects in the parking garage (beam, pillar, etc.)
pedestrians, cyclists or motorcycles approaching the traveling lane
vehicles, pedestrians, cyclists, motorcycles or objects in adjacent lanes or close to the vehicle
approaching pedestrians, cyclists
objects on the road (such as trees)
Braking distances increase on slippery surfaces.
Excessive noise will interfere with the warning chime sound, and the chime may not be heard.
Junction assist does not apply braking to approaching vehicles in front of your vehicle.
In addition to the system limitations that apply to the Intelligent Emergency Braking with Pedestrian Detection system, the following system limitations apply to the Intelligent Emergency Braking with Pedestrian Detection while junction assist is operating:
Junction assist may not detect an approaching vehicle or pedestrian in the following conditions:
When driving in a traffic lane separated by more than 2 lanes from approaching vehicles while making a right/left turn.
When not heading directly towards an approaching vehicle during a right/left turn.
Junction assist may not detect an approaching vehicle after you have already started your turn.
When turning sharply or on a very wide curve.
When the center line is not recognised by the system.
When there are a number of approaching vehicles following each other in a row.
When the lane is wider or narrower than normal.
When the center line is located close to a road marker.
Junction assist may apply braking while making a right/left turn even if the risk of a collision is low.
Junction assist may also apply braking when approaching vehicle movement cannot be predicted due to sudden left/right turns or deceleration of the approaching vehicles.
When driving on some roads, such as winding, hilly, curved, narrow roads, or roads which are under construction or on a slope, the sensor may detect vehicles in a different lane, or may temporarily not detect a vehicle traveling ahead. This may cause the system to work inappropriately.
The detection of vehicles may also be affected by vehicle operation (steering manoeuvre or traveling position in the lane, etc.) or vehicle condition. If this occurs, the system may warn you by blinking the system indicator and sounding the chime unexpectedly. You will have to manually control the proper distance away from the vehicle traveling ahead.