Hyundai Tucson Owners & Service Manuals
Hyundai Tucson (NX4) 2022-2024 Owner's Manual / Driver Assistance System / Rear Cross-Traffic Collision-Avoidance Assist (RCCA) / Rear Cross-Traffic Collision- Avoidance Assist Malfunction and Limitations

Hyundai Tucson: Rear Cross-Traffic Collision-Avoidance Assist (RCCA) / Rear Cross-Traffic Collision- Avoidance Assist Malfunction and Limitations

Rear Cross-Traffic Collision- Avoidance Assist malfunction

When the Rear Cross-Traffic Collision- Avoidance Assist is not working properly, the "Check Rear Cross-Traffic Safety system" warning message may appear, and the warning light may illuminate on the instrument cluster. Have the vehicle inspected by an authorized HYUNDAI dealer.

When the side view mirror warning light is not working properly, the "Check side view mirror warning light" warning message may appear, and the warning light may illuminate on the instrument cluster. Have the vehicle inspected by an authorized HYUNDAI dealer.

Rear Cross-Traffic Collision- Avoidance Assist disabled

If the rear corner radar is blocked or covered, or when the rear bumper around the rear corner radar or sensor is covered by any foreign material, such as snow, rain, or dirt, or when a trailer or hitch mounted carrier is installed, the detecting performance may reduce and temporarily limit or disable Rear Cross- Traffic Collision-Avoidance Assist.

The "Rear Cross-Traffic Safety system disabled. Radar blocked" warning message may appear on the instrument cluster.

The function operates normally when such foreign material, trailer, or carrier is removed, and the engine is restarted.

If the function does not operate normally after anything covering or blocking the sensors is removed, have the vehicle inspected by an authorized HYUNDAI dealer.

WARNING

  • Rear Cross-Traffic Collision-Avoidance Assist may not operate properly even if there is no warning message or warning light on the instrument cluster.
  • Rear Cross-Traffic Collision-Avoidance Assist may not operate properly in open areas where no objects are detected (e.g. empty parking lot) or when the detecting sensors are blocked right after turning on the engine.
  • Always turn off Rear Cross-Traffic Collision-Avoidance Assist when towing a trailer or using a hitch mounted carrier.

Limitations of Rear Cross-Traffic Collision-Avoidance Assist

Rear Cross-Traffic Collision-Avoidance Assist may not operate normally, or may operate unexpectedly if:

  • Departing from where trees or grass are overgrown.
  • Departing from where roads are wet.
  • Speed of the approaching vehicle is fast or slow.

Braking may not be assisted if:

  • Your vehicle severely vibrates while driving over a bumpy road, uneven road, or concrete patch.
  • You are driving on a slippery surface due to snow, water puddle, ice, etc.
  • The tire pressure is low or any tire is damaged.
  • The braking system is adjusted differently from the factory default settings.
  • Remote Smart Parking Assist is operating (if equipped).

Information

For more information on the limitations of the rear corner radar, refer to the "Blind-Spot Collision-Avoidance Assist (BCA)" section in this chapter.

WARNING

  • Driving near a vehicle or structure

A: Structure

Rear Cross-Traffic Collision-Avoidance Assist may be limited when driving near another vehicle or a structure, and it may not detect the vehicle approaching from the left or right. The function may not activate a warning or brake your vehicle

Always check your surroundings while backing up.

  • When your vehicle is in a complex parking environment

Rear Cross-Traffic Collision-Avoidance Assist may detect vehicles that are parking or pulling out near your vehicle (e.g. leaving beside your vehicle, parking or pulling out behind your vehicle, approaching your vehicle making a turn). If this occurs, the function may activate a warning and brake your vehicle even when not needed.

Always check your surroundings while backing up.

  • When your vehicle is parked diagonally

A: Vehicle

Rear Cross-Traffic Collision-Avoidance Assist may be limited when backing up diagonally, and may not detect any vehicle approaching from the left or right. If this occurs, the function may not activate a warning or brake your vehicle.

Always check your surroundings while backing up.

  • When your vehicle is on or near a slope

Rear Cross-Traffic Collision-Avoidance Assist may be limited when your vehicle is on a uphill or downhill slope, and may not detect any vehicle approaching from the left or right. If this occurs, the function may activate a warning and brake your vehicle even when not needed.

Always check your surroundings while 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 in reverse into a parking space with a wall or structure in the rear or side area. If this occurs, the function may activate a warning or brake your vehicle.

Always check your surroundings while backing up.

  • When your 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 activate a warning and brake your vehicle even when not needed.

Always check your surroundings while backing up.

WARNING

  • Rear Cross-Traffic Collision-Avoidance Assist may not operate normally if there is interference from strong electromagnetic waves.
  • Rear Cross-Traffic Collision-Avoidance Assist may not operate for 3 seconds right after your vehicle is started or when the rear corner radars are initialized.
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