
– 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: Special Service Tools
- Special Service Tools
Tool Name / NumberIllustrationDescription
LKA Compensator(09890-3V100)
Used for compensating front view camera unit
Vertical measuring instrument(09964-C1200)
Used to measure left/right tilts when automatic tolerance compensation for front camera is performed. Use togeth ...
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Automatic Reversal
If the power sunshade or sunroof glass
senses any obstruction while closing, it
reverses direction then stops.
The automatic reverse feature may not
work if a thin or soft object is caught
between the sliding power sunshade or
sunroof glass and sunroof sash.
WARNING
Make sure that ...