Search by Title only
Home > Driver assistance system > Rear Cross-Traffic Collision-Avoidance Assist (RCCA) > Rear Cross-Traffic Collision-Avoidance Assist malfunction and limitations

Rear Cross-Traffic Collision-Avoidance Assist malfunction and limitations

Rear Cross-Traffic Collision-Avoidance Assist malfunction

When Rear Cross-Traffic Safety system is not working properly, the 'Check Rear Cross-Traffic Safety system' warning message will appear (turns off after a certain time), and the warning light will illuminate on the cluster. We recommend that you have your vehicle inspected by an authorized Kia dealer/service partner.

When the warning light on the side view mirror (outside mirror) is not working properly, the 'Check side view mirror warning light' warning message will appear (turns off after a certain time), and the warning light will illuminate on the cluster. We recommend that you have your vehicle inspected by an authorized Kia dealer/service partner.

Rear Cross-Traffic Collision-Avoidance Assist disabled

When the rear bumper around the rear corner radar or sensor is covered with foreign matters, such as snow or rain, or installing a trailer or carrier, it can reduce the detecting performance and temporarily limit or disable Rear Cross-Traffic Safety system.

If this occurs, the 'Rear Cross-Traffic Safety system disabled. Radar blocked' warning message will appear on the cluster. It is not a malfunction.

The function will operate normally when such foreign matters or trailer, etc. is removed.

Always keep the rear view camera and rear ultrasonic sensors clean.

If the function does not operate normally after it is removed, We recommend that you have your vehicle inspected by an authorized Kia dealer/service partner.

WARNING
  • Even though the warning message does not appear on the cluster, Rear Cross-Traffic Safety system may not properly operate.

  • Rear Cross-Traffic Safety system may not properly operate in an area (e.g. open terrain), where any substance are not detected after turning ON the engine.

CAUTION

Turn off Rear Cross-Traffic Safety system to install a trailer, carrier, etc., and remove the trailer, carrier, etc. to use Rear Cross-Traffic Safety system.

Limitations of Rear Cross-Traffic Collision-Avoidance Assist

Rear Cross-Traffic Safety system may not operate normally, or the function may operate unexpectedly under the following circumstances:

  • Departing from where trees or grass is overgrown

  • Departing from where roads are wet

  • Speed of the approaching vehicle is fast or slow

Braking control may not work, driver's attention is required in the following circumstances:

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

  • Driving on a slippery surface due to snow, water puddle, ice, etc.

  • The tire pressure is low or a tire is damaged

  • The brake is reworked

NOTICE

For more details on the limitations of the rear corner radar, refer to More Details.

WARNING
  • Driving near a vehicle or structure

[A]: Structure

Rear Cross-Traffic Safety system may be limited when driving near a vehicle or structure, and may not detect the vehicle approaching from the left or right. If this occurs, the function may not warn the driver or control the brakes when necessary.

Always check your surroundings while backing up.

  • When the vehicle is in a complex parking environment

Rear Cross-Traffic Safety system may detect vehicles which are parking or pulling out near your vehicle (e.g. a vehicle leaving beside your vehicle, a vehicle parking or pulling out in the rear area, a vehicle approaching your vehicle making a turn, etc.). If this occurs, the function may unnecessarily warn the driver and control the brake.

Always check your surroundings while backing up.

  • When the vehicle is parked diagonally

[A]: Vehicle

Rear Cross-Traffic Safety system may be limited when backing up diagonally, and may not detect the vehicle approaching from the left or right. If this occurs, the function may not warn the driver or control the brakes when necessary.

Always check your surroundings while backing up.

  • When the vehicle is on or near a slope

Rear Cross-Traffic Safety system may be limited when the vehicle is on a uphill or downhill slope, or near it, and may not detect the vehicle approaching from the left or right. If this occurs, the function may not warn the driver or control the brakes when necessary.

Always check your surroundings while backing up.

WARNING
  • Pulling into the parking space where there is a structure

[A]: Structure, [B]: Wall

Rear Cross-Traffic Safety system may detect vehicles passing by in front of you when parking backwards into a parking space with a wall or structure in the rear or side area. If this occurs, the function may unnecessarily warn the driver and control the brake.

Always check your surroundings while backing up.

  • When the vehicle is parked rearward

Rear Cross-Traffic Safety system may detect vehicles passing by behind you when parking backwards into a parking space. If this occurs, the function may unnecessarily warn the driver and control the brake.

Always check your surroundings while backing up.

WARNING
  • When you are towing a trailer or another vehicle, we recommend that Rear Cross-Traffic Safety system is turned off due to safety reasons.

  • Rear Cross-Traffic Safety system may not operate normally if interfered by strong electromagnetic waves.

  • Rear Cross-Traffic Safety system may not operate for 3 seconds after the vehicle is started, or the rear corner radars are initialized.