Search by Title only
Home > Driving your vehicle > Blind-Spot Collision Warning (BCW) > Blind-Spot Collision Warning malfunction and limitations

Blind-Spot Collision Warning malfunction and limitations

Blind-Spot Collision Warning disabled

A: Blind-spot safety systems disabled. Radar blocked

This warning message may appear when:

  • One or both of the sensors on the rear bumper is blocked by dirt or snow or a foreign object.

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

  • When there is inclement weather such as heavy snow or rain.

If any of these conditions occur, the light on the Blind-Spot Safety button and the function will turn off automatically.

A: Check blind-spot safety systems

If there is a problem with Blind-Spot Collision Warning, a warning message will appear and the light on the switch will turn off. The function will turn off automatically.

In this case, have the function checked by a professional workshop. Kia recommends to visit an authorized Kia dealer/ service partner.

Limitations of Blind-Spot Collision Warning

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

  • When a trailer or carrier is installed.

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

  • The sensor is polluted with rain, snow, mud, etc.

  • The rear bumper where the sensor is 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 sensor is out of the original default position.

  • The vehicle height gets lower or higher due to heavy loading in a tailgate, 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.

  • 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.

  • Driving on a curved road

    Blind-Spot Collision Warning may not operate properly when driving on a curved road. In certain instances the function may not detect the vehicle in the next lane.

    Always pay attention to road and driving conditions, while driving.

    Blind-Spot Collision Warning may not operate properly when driving on a curved road. In certain instances 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 Warning may not operate properly when driving where the road is merging/dividing. In certain instances the function may not detect the vehicle in the next lane.

    Always pay attention to road and driving conditions, while driving.

  • Driving on a sloped road

    Blind-Spot Collision Warning may not operate properly when driving on a slope. In certain instances the function may not detect the vehicle in the next lane.

    Also, in certain instances the function may wrongly recognize the ground or structures.

    Always pay attention to road and driving conditions, while driving.

  • Driving where the heights of the lanes are different

    Blind-Spot Collision Warning may not operate properly when driving where the heights of the lanes are different. In certain instances, 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.

  • Driving where there is a structure beside the road

    [A]: noise barrier, [B]: guardrail

    Blind-Spot Collision Warning may not operate properly when driving where there is structure beside the road.

    In certain instances, the function may wrongly recognize the structures (noise barriers, guardrail, double guardrail, median strip, bollard, street light, road sign, tunnel wall, etc.) beside the road.

    Always pay attention to road and driving conditions, while driving.