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Home > Driving your vehicle > Rear Cross-Traffic Collision Warning (RCCW) / Rear Cross-Traffic Collision-Avoidance Assist (RCCA) > Detecting sensors

Detecting sensors

The rear corner radars are the sensors inside the rear bumper for detecting the side and rear areas. Always keep the rear bumper clean for proper operation of the system.

Caution

  • The system may not work properly when the bumper has been damaged, or if the rear bumper has been replaced or repaired.

  • The system may turn off if interfered by electromagnetic waves.

  • Always keep the sensors clean.

  • NEVER disassemble the sensor component or apply any impact on the sensor component.

  • Be careful not to apply unnecessary force on the radar sensor or sensor cover. If the sensor is forcibly moved out of proper alignment, the system may not operate correctly. In this case, a warning message may not be displayed. We recommend that you have the system checked by an authorized Kia dealer/service partner.

  • Do not apply foreign objects such as a bumper sticker or a bumper guard near the radar sensor or apply paint to the sensor area. Doing so may adversely affect the performance of the sensor.

Warning message

Blind-Spot Collision Warning (BCW) system 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.

  • A trailer or carrier is installed.

  • 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 system will turn off automatically.

When BCW canceled warning message is displayed in the cluster, check to make sure that the rear bumper is free from any dirt or snow in the areas where the sensor is located. Remove any dirt, snow, or foreign material that could interfere with the radar sensors.

After any dirt or debris is removed, the system should operate normally after about 10 minutes of driving the vehicle.

If the system still does not operate normally, we recommend that you have the system checked by an authorized Kia dealer/service partner.

Notice

Turn off BCA and RCCA system when a trailer or carrier is installed.

  • Deactivate BCW and BCA system by selecting "User Settings → Driver Assistance → Blind-Spot Safety → Off" in the cluster or infotainment system.

  • Deactivate RCCA system by deselecting "User settings → Driver Assistance → Parking Safety → Rear Cross Traffic Safety" in the cluster or infotainment system.

If your vehicle is equipped with an infotainment system, you can learn how to setup on the website via QR code in the infotainment quick reference guide.

Check Blind-Spot Collision Warning (BCW) system

If there is a problem with BCW system, a warning message will appear. The system will turn off automatically. RCCW and RCCA will not operate also if BCW system turns off due to malfunction. We recommend that you have the system checked by an authorized Kia dealer/service partner.