
– 1st warning: If you open the driver's door after you open and then close the rear passenger and turn the engine off, the system provides warning by showing message on the cluster and giving voice instruction.
– 2nd warning
1)The system detects the indoor movement using the rear occupant alert sensor installed on the head lining when the driver gets off the vehicle and locks all the doors.
2)If any movement inside the vehicle is detected, horn and Hazard Warning Flasher are activated for 25 seconds and the mobile text message is sent.


1. Rear Occupant Alert Sensor
2. Integrated body control unit
3. Cluster (Message pop-up and Voice)
1.Disconnect the negative (-) battery terminal.
2.Remove the cover (A) by using a flat-tip screwdriver.

3.Disconnect the connector (A) and then remove the occupant alert sensor.

1.Install the occupant alert sensor.
2.Connect the negative (-) battery terminal.
Daytime Running Light (DRL)Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Rear Cross-Traffic Collision-
Avoidance Assist Operation
Rear Cross-Traffic Collision-Avoidance
Assist may warn and control your vehicle
depending on the collision risk level.
Collision Warning
To warn you of an approaching vehicle
from the rear left or right of your vehicle,
the warning light on the side view mirror
may blink, a warning mes ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: General Safety Information and Caution
- Precautions
General Precautions
Please read the following precautions carefully before performing the
airbag system service. Observe the instructions described in this
manual, or the airbags could accidentally deploy and cause damage or
injuries. • Except when performing electrical ins ...