Rear Cross-Traffic Collision-Avoidance Assist malfunction and limitations
Rear Cross-Traffic Collision-Avoidance Assist malfunction
When Rear Cross-Traffic Collision-Avoidance Assist is not working properly, the warning message will appear for several seconds
and the 
warning light will appear on the cluster. In this case, have the system checked by a professional workshop. Kia recommends
to visit an authorised Kia dealer/service partner.
When the warning light on the side view mirror (outside mirror) is not working properly, the warning message will appear for
several seconds and the warning light will appear on the cluster. In this case, have the system checked by a professional workshop. Kia recommends
to visit an authorised 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 Collision-Avoidance Assist.
If this occurs, the warning message will appear on the cluster. It is not a malfunction.
Rear Cross-Traffic Collision-Avoidance Assist will operate properly when such foreign matters or trailer, etc. is removed.
Always keep it clean.
If Rear Cross-Traffic Collision-Avoidance Assist does not operate normally after it is removed, take your vehicle to a professional workshop and have the system checked. Kia recommends to visit an authorised Kia dealer/service partner.
-
Even though the warning message does not appear on the cluster, Rear Cross-Traffic Collision-Avoidance Assist may not properly operate.
-
Rear Cross-Traffic Collision-Avoidance Assist may not properly operate in an area (for example, open terrain), where any objects are not detected after turning ON the engine.
Turn off Rear Cross-Traffic Collision-Avoidance Assist to install a trailer, carrier, etc., and remove the trailer, carrier, etc. to use Rear Cross-Traffic Collision-Avoidance Assist.
Limitations of Rear Cross-Traffic Collision-Avoidance Assist
Rear Cross-Traffic Collision-Avoidance Assist may not operate properly or it 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 in the following circumstances:
-
The vehicle severely vibrates whilst driving over a bumpy road, uneven road or concrete patch
-
Driving on a slippery surface due to snow, water puddle, ice, etc.
-
The tyre pressure is low or a tyre is damaged
-
The brake is reworked
For more details on the limitations of the rear corner radar, refer to More Details.
-
Driving near a vehicle or structure
[A]: Structure
Rear Cross-Traffic Collision-Avoidance Assist 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, Rear Cross-Traffic Collision-Avoidance Assist may not warn the driver or control the brakes when necessary.
Always check your surroundings whilst backing up.
-
When the vehicle is in a complex parking environment
Rear Cross-Traffic Collision-Avoidance Assist may detect vehicles which are parking or pulling out near your vehicle (for example, 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, Rear Cross-Traffic Collision-Avoidance Assist may unnecessarily warn the driver and control the brake.
Always check your surroundings whilst backing up.
-
When the vehicle is parked diagonally
Rear Cross-Traffic Collision-Avoidance Assist may be limited when backing up diagonally, and may not detect the vehicle approaching from the left or right. If this occurs, Rear Cross-Traffic Collision-Avoidance Assist may not warn the driver or control the brakes when necessary.
Always check your surroundings whilst backing up.
-
When the vehicle is on or near a slope
Rear Cross-Traffic Collision-Avoidance Assist 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, Rear Cross-Traffic Collision-Avoidance Assist may not warn the driver or control the brakes when necessary.
Always check your surroundings whilst backing up.
-
Pulling into the parking space where there is a structure
[A]: Structure, [B]: Wall
Rear Cross-Traffic Collision-Avoidance Assist 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, Rear Cross-Traffic Collision-Avoidance Assist may unnecessarily warn the driver and control the brake.
Always check your surroundings whilst backing up.
-
When the vehicle is parked rearward
Rear Cross-Traffic Collision-Avoidance Assist may detect vehicles passing by behind you when parking backwards into a parking space. If this occurs, Rear Cross-Traffic Collision-Avoidance Assist may unnecessarily warn the driver and control the brake.
Always check your surroundings whilst backing up.
-
When you are towing a trailer or another vehicle, we recommend that Rear Cross-Traffic Collision-Avoidance Assist is turned off due to safety reasons.
-
Rear Cross-Traffic Collision-Avoidance Assist may not operate normally if interfered with by strong electromagnetic waves.
-
Rear Cross-Traffic Collision-Avoidance Assist may not operate for 3 seconds after the vehicle is started, or the rear corner radars are initialized.