
– 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: Parking brake warning light
This warning light illuminates:
When the ignition switch is in the ON
position. The Parking Brake warning
light illuminates for about 3 seconds
and then goes off once the parking
brake is released.
Whenever the parking brake is
applied.
Whenever the brake fluid level in the ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Front Washer Motor
- Inspection
Front and Rear Washer Motor
1.With the washer motor connected to the reservoir tank, fill the reservoir tank with water.
• Before filling the reservoir tank with water, check the filter
for foreign material or contamination. if necessary, clean the filter.
...