
– 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 Service Manual: Troubleshooting
- Trouble shooting
Area of leakage occuringAreaType
â‘ Connecting part/under part of transfer caseâ‘¡ Connecting part of transmission
[A]
â‘ Connecting part/under part of transfer caseâ‘¡ Connecting part of transmissionâ‘¢ Assembly part of drive shaft
[B]
SymptomExpected causeCountermeasur ...
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Blind-spot Collision-avoidance Assist (BCA)
Blind-Spot Collision-Avoidance Assist
uses the front view camera and the rear
corner radar to help detect approaching
vehicles in the driver’s blind spot areas
and warn you of a possible collision with
a warning message and audible warning.
If there is a collision risk when changing
l ...