
– 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: General Safety Information and Caution
- Instructions (R-134a)
When Handling Refrigerant
1.R-134a liquid refrigerant is highly volatile. A drop on the skin of
your hand could result in localized frostbite. When handling the
refrigerant, be sure to wear gloves.
2.It is standard practice to wear goggles or glasses to protect your ...
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Driver Attention Warning
Operation
Basic function
The Driver Attention Warning informs
you of the "Attention Level" and when to
"Consider taking a break".
Attention level
The driver’s attention level appears on
a scale of 1 to 5. The lower the level, the
sooner you must take a break.
Driver Attention Warning operat ...