
– 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: SRS Warning Light
The SRS (Supplemental Restraint System)
airbag warning light on the instrument
panel displays the airbag symbol in the
illustration. The light indicates if there
is a potential problem with your airbag
system, which could include your side
and/or curtain airbags used for rollover
pro ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Fuel Filter
- Removal
1.Remove the fuel pump.(Refer to Fuel Delivery System - "Fuel Pump")
2.Disconnect the fuel sender connector (A).
3.Release the fixing hook (A) and then remove fuel sender (B) in the arrow direction.
4.Disconnect the fuel pump motor connector (A).
5.Remove the fixing pin (A) ...