Warning message
Blind-Spot Collision Warning (BCW) system disabled. Radar blocked

This warning message may appear when:
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One or both of the sensors on the rear bumper is covered by dirt or snow or a foreign object.
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Driving in rural areas where the sensor does not detect another vehicle for an extended period of time.
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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 turn off automatically. When Blind-Spot Collision Warning 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 function should operate normally after about 10 minutes of driving the vehicle.
If the function still does not operate normally have your vehicle inspected by an authorized Kia dealer.

Turn off Blind-Spot Collision Warning and Rear Cross-Traffic Collision Warning when a trailer or carrier is installed.
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Press the Blind-Spot Safety button (the indicator on the button will turn off)
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Deactivate Rear Cross-Traffic Collision Warning by deselecting 'User Settings → Driver Assistance → Rear Cross-Traffic Collision Warning'
Check Blind-Spot Collision Warning (BCW) system

If there is a problem with Blind-Spot Collision Warning, a warning message will appear and the light on the button will turn off. The function will turn off automatically. Rear Cross-Traffic Collision Warning will not operate also if Blind-Spot Collision Warning turns off due to malfunction. Have your vehicle inspected by an authorized Kia dealer.