
– 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 (Number and Name)IllustrationUse
09200-3N000Engine support fixture(Beam)
Removal and installation of the transaxle.Use
this beam (SST No. : 09200-38001 or 09200-3N000) with the supporter
(SST No. : 09200-2S200), and front (SST No. : 09200-L1100, 09200-L1200)
0 ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: General Information
- General Troubleshooting Information
Before Troubleshooting
1.Check applicable fuses in the appropriate fuse/relay box.
2.Using the battery checker (MCR-570 KIT), check the battery for
damage, state of charge, and clean and tight connections.(Refer to
Engine Electrical System - "Battery") ...