Rear Cross-Traffic Collision-Avoidance Assist malfunction and limitations
Rear Cross-Traffic Collision-Avoidance Assist malfunction
A: Check blind-spot safety systems
When Rear Cross-Traffic Collision-Avoidance Assist is not working properly, the warning message will appear on the cluster
for several seconds, and the Master warning light (
) will appear on the cluster.
If this occurs, have the function be inspected by a professional workshop. Kia recommends that you visit an authorised Kia dealer/service partner.
A: Check side view mirror warning light
When the outside rearview mirror warning light is not working properly, the warning message will appear on the cluster for
several seconds, and the Master warning light () will appear on the cluster.
If this occurs, have the function be inspected by a professional workshop. Kia recommends that you visit an authorised Kia dealer/service partner.
Rear Cross-Traffic Collision-Avoidance Assist disabled
A: Rear cross-traffic safety functions disabled. Radar blocked
When the rear bumper around the rear-side radar or sensor is covered with foreign material, 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, but it is not a failure of Rear Cross-Traffic Collision-Avoidance Assist.
Rear Cross-Traffic Collision-Avoidance Assist will operate properly when such foreign material or trailer, etc., is removed. Always keep it clean.
If Rear Cross-Traffic Collision-Avoidance Assist does not operate properly after it is removed, have the function be inspected by a professional workshop. Kia recommends that you visit an authorised Kia dealer/service partner.
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Even though the warning message does not appear on the cluster, Rear Cross-Traffic Collision-Avoidance Assist may not operate properly.
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Rear Cross-Traffic Collision-Avoidance Assist may not operate properly in an area (for example, open terrain), where any substance are not detected after turning ON the vehicle, if detecting sensor is dirty or there are no objects around the vehicle.
Turn off Rear Cross-Traffic Collision-Avoidance Assist to install or remove a trailer, carrier, or another attachment. Turn on Rear Cross-Traffic Collision-Avoidance Assist when finished.
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:
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Departing from where trees or grass are overgrown
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Departing from where roads are wet
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Speed of the approaching vehicle is fast or slow
Braking control may not work, driver's attention is required in the following circumstances:
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The vehicle severely vibrates whilst driving over a bumpy road, uneven road or concrete patch
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Driving on a slippery surface due to snow, water puddle, ice, etc.
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The tyre pressure is low or a tyre is damaged
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The brake is tuned
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Remote Smart Parking Assist is operating (if equipped)
For more details on the limitations of the rear corner radar, refer to More Details.
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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, the function may not warn the driver or control the brakes when necessary.
Always check your surroundings whilst backing up.
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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 (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, the function may unnecessarily warn the driver and control the brake.
Always check your surroundings whilst backing up.
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When the vehicle is parked diagonally
[A]: Vehicle
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, the function may not warn the driver or control the brakes when necessary.
Always check your surroundings whilst backing up.
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When the vehicle is on or near a slope
Rear Cross-Traffic Collision-Avoidance Assist may be limited when the vehicle is on an 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 whilst backing up.
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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 in reverse 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 whilst backing up.
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When the vehicle is parked rearward
Rear Cross-Traffic Collision-Avoidance Assist may detect vehicles passing by behind you when parking in reverse into a parking space. If this occurs, the function may unnecessarily warn the driver and control the brake.
Always check your surroundings whilst backing up.
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When you are towing a trailer or another vehicle, turn off Rear Cross-Traffic Collision-Avoidance Assist for safety reasons.
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Rear Cross-Traffic Collision-Avoidance Assist may not operate properly if interfered by strong electromagnetic waves.
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Rear Cross-Traffic Collision-Avoidance Assist may not operate for 3 seconds after the vehicle is started, or the rear corner radars are initialized.
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Even if restarting the vehicle with the sensors blocked or malfunctioned, Rear Cross-Traffic Collision-Avoidance Assist may not properly operate as the function maintains the last setting.