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Home > Driving your vehicle > Rear Cross-Traffic Collision Warning (RCCW) > Function malfunction and limitations

Function malfunction and limitations

Function malfunction

When Rear Cross-Traffic Safety system is not working properly, the ‘Check rear cross-traffic safety systems’ warning message will appear on the cluster, and the function will turn off automatically, or the function will be limited. In this case, have your vehicle inspected by a professional workshop. Kia recommends to contact an authorised Kia dealer/service partner.

When the outside rearview mirror warning light is not working properly, the 'Check side view mirror warning light' warning message will appear on the cluster. In this case, have your vehicle inspected by a professional workshop. Kia recommends to contact an authorised Kia dealer/service partner.

Function disabled

When the rear bumper around the rear-side 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 functions disabled. Radar blocked' warning message will appear on the cluster.

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

If the function does not operate normally after it is removed, In this case, have your vehicle inspected by a professional workshop. Kia recommends to contact an authorised 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., or remove the trailer, carrier, etc. to use Rear Cross-Traffic Safety system.

Limitations of the function

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

Caution

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

Warning

[A]: Structure

  • Driving near a vehicle or 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 when necessary.

Always check your surroundings whilst 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.

Always check your surroundings whilst backing up.

[A]: Vehicle

  • When the vehicle is parked diagonally

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 when necessary.

Always check your surroundings whilst 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 when necessary.

Always check your surroundings whilst backing up.

[A]: Structure, [B]: Wall

  • Pulling into the parking space where there is a structure

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.

Always check your surroundings whilst 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.

Always check your surroundings whilst 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 15 seconds after the vehicle is started, or the rear corner radars are initialized.