Blind-Spot Collision-Avoidance Assist (BCA)

Blind-Spot Collision-Avoidance Assist detects approaching vehicles in the driver's blind spot areas and warn you of a possible collision with a warning light and a warning sound.

If there is a collision risk when exiting a parallel space, Blind-Spot Collision-Avoidance Assist may assist with braking your vehicle to help avoid a collision.

2025 Hyundai Tucson Blind-Spot Collision-Avoidance Assist operation image. A grey vehicle with a forward-pointing black arrow is shown next to a white vehicle positioned within the dark grey shaded detection zones. Explains the function of detecting a vehicle in the blind spot.

Blind-Spot Collision-Avoidance Assist helps detect and informs the driver that a vehicle is in the blind spot.

The detecting range may differ depending on the speed of your vehicle. Even if there is a vehicle in the blind spot area, Blind-Spot Collision-Avoidance Assist may not warn you when you pass by at high speeds.

2025 Hyundai Tucson Blind-Spot Collision-Avoidance Assist operation image. A top-down view displays a vehicle in the left lane with a forward arrow and another vehicle in the right lane approaching rapidly from the rear, shown with motion blur. Shaded zones indicate the detection area. Explains the function of detecting a vehicle approaching at high speed from the blind spot area.

Blind-Spot Collision-Avoidance Assist helps detect and informs the driver that a vehicle is approaching at high speed from the blind spot area.

Warning timing may differ depending on the speed of the vehicle approaching at high speed.

2025 Hyundai Tucson Blind-Spot Collision-Avoidance Assist operation image. A white vehicle exits a parallel parking space while a grey vehicle approaches from the rear, indicated by directional arrows and a shaded detection zone. Jagged lines on the white vehicle illustrate the system applying brakes to help avoid a collision.

When you are driving forward out of a parking space, if Blind-Spot Collision-Avoidance Assist judges that there is a collision risk with an approaching vehicle in the blind spot, it can help avoid collision by applying the brake.

Detecting sensor

2025 Hyundai Tucson Rear corner radar location image. The image displays the rear view of the vehicle, with callout numbers (1) indicating the rear corner radars located inside both sides of the rear bumper. Explains the position of the detecting sensors used for the Blind-Spot Collision-Avoidance Assist system.

Refer to the picture above for the detailed location of the detecting sensors.

Take the following precautions to maintain optimal performance of the detecting sensor:

Never disassemble the detecting sensor assembly, or cause any damage to it.
If the rear corner radar or near the radar has been damaged or impacted in any way, even though the warning message does not appear on the cluster, Blind-Spot Collision Avoidance Assist may not operate properly. We recommend that your vehicle be inspected by an authorized HYUNDAI dealer.
If the rear corner radars have been replaced or repaired, we recommend that your vehicle be inspected by an authorized HYUNDAI dealer.
Use only genuine parts to repair the rear bumper where the rear corner radar is located.
Rear bumper genuine parts with rear corner radars have proven their performance. Replacing or painting the rear bumper may result in poor performance of Blind-Spot Collision Avoidance Assist. When the parts need to be replaced or modified, make sure to use qualified products.
Do not apply license plate frame or objects, such as a bumper sticker, film or a bumper guard near the rear corner radar.
Blind-Spot Collision Avoidance Assist may not work properly if the bumper has been replaced, or the surroundings of the rear corner radar have been damaged or paint has been applied.
If a trailer, carrier, etc., is installed, it may adversely affect the performance of the rear corner radar or Blind-Spot Collision Avoidance Assist may not operate.