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Home > Driving your vehicle > Blind-Spot Collision-Avoidance Assist (BCA) > Limitations of Blind-Spot Collision-Avoidance Assist

Limitations of Blind-Spot Collision-Avoidance Assist

The driver must be cautious in the below situations, because the function may not detect other vehicles or objects in certain circumstances.

  • The function may not work around 15 seconds after starting the vehicle or the initialization or rebooting of the front view camera.

  • When a trailer or carrier is installed.

  • The vehicle drives in inclement weather such as heavy rain or snow.

  • The sensors are polluted with rain, snow, mud, etc.

  • The rear bumper where the sensors are located is covered with a foreign object such as a bumper sticker, a bumper guard, a bike rack, etc.

  • The rear bumper is damaged, or the sensors are out of the original default position.

  • The vehicle height gets lower or higher due to heavy loading in a liftgate, abnormal tire pressure, etc.

  • When the temperature of the rear bumper is high.

  • When the sensors are blocked by other vehicles, walls or parking-lot pillars.

  • The vehicle drives on a curved road.

  • The vehicle drives through a tollgate.

  • The road pavement (or the peripheral ground) abnormally contains metallic components (i.e. possibly due to subway construction).

  • There is a fixed object near the vehicle, such as a guardrail, pedestrian, animals or tunnel, etc.

  • While going down or up a steep road where the height of the lane is different.

  • Driving on a narrow road where trees or grass or overgrown.

  • Driving in rural areas where the sensor does not detect another vehicle or structure for an extended period of time.

  • Driving on a wet road.

  • Driving on a road where the guardrail or wall is in double structure.

  • A big vehicle is near such as a bus or truck.

  • When the other vehicle approaches very close.

  • When the other vehicle passes at a very fast speed.

  • While changing lanes.

  • If the vehicle has started at the same time as the vehicle next to you and has accelerated.

  • When the vehicle in the next lane moves two lanes away from you OR when the vehicle two lanes away moves to the next lane from you.

  • A motorcycle or bicycle is near.

  • A flat trailer is near.

  • If there are small objects in the detecting area such as a shopping cart or a baby stroller.

  • If there is a low height vehicle such as a sports car.

  • The brake pedal is depressed.

  • ESC (Electronic Stability Control) is activated.

  • ESC (Electronic Stability Control) malfunctions.

  • The tire pressure is low or a tire is damaged.

  • The brake is reworked.

  • The vehicle abruptly changes driving direction.

  • The vehicle makes sharp lane changes.

  • The vehicle sharply stops.

  • Temperature is extremely low around the vehicle.

  • The vehicle severely vibrates while driving over a bumpy road, uneven/bumpy road, or concrete patch.

  • The vehicle drives on a slippery surface due to snow, water puddle, or ice.

  • Lane Keeping Assist does not operate normally. (if equipped)

  • For more details, refer to More Details.

WARNING
  • Driving on a curved load

    Blind-Spot Collision-Avoidance Assist may not operate properly when driving on a curved road. The function may not detect the vehicle in the next lane.

    Always pay attention to road and driving conditions while driving.

    Blind-Spot Collision-Avoidance Assist may not operate properly when driving on a curved road. The function may recognize a vehicle in the same lane.

    Always pay attention to road and driving conditions while driving.

  • Driving where the road is merging/dividing

    Blind-Spot Collision-Avoidance Assist may not operate properly when driving where the road merges or divides. The function may not detect the vehicle in the next lane.

    Always pay attention to road and driving conditions while driving.

  • Driving on an inclined road

    Blind-Spot Collision-Avoidance Assist may not operate properly when driving on a slope. The function may not detect the vehicle in the next lane or may incorrectly detect the ground or structure.

    Always pay attention to road and driving conditions while driving.

  • Driving where the heights of the lanes are different

    Blind-Spot Collision-Avoidance Assist may not operate properly when driving where the heights of the lanes are different. The function may not detect the vehicle on a road with different lane heights (underpass joining section, grade separated intersections, etc.).

    Always pay attention to road and driving conditions while driving.

WARNING
  • When you are towing a trailer or another vehicle, make sure that you turn off Blind-Spot Collision-Avoidance Assist.

  • Blind-Spot Collision-Avoidance Assist may not operate properly if interfered by strong electromagnetic waves.

  • Blind-Spot Collision-Avoidance Assist may not operate for 15 seconds after the vehicle is started, or the front view camera or rear corner radars are initialized.