
– 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: Oil hydraulic Motor(Actuator)
- Description
The 4WD ECM controls the Pump Motor Pump (Actuator) to generating an
oil pressure. The pressure engages a multiple disk clutch to transfer
torque to the rear wheels. The torque to the rear wheels varies
according to the pressure on the clutch.
- Circuit Diagram
- ...
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Smart Cruise Control Operation
Operating conditions
Basic function
Smart Cruise Control operates when the
following conditions are met:
The gear is in D (Drive).
Your vehicle speed is within the
operating speed range.
- 5-110 mph (10-180 km/h): When
there is no vehicle in front
- 0-110 mph (0-180 km/h): When ...