
– 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: E-CVVT Motor
- Description
E- CVVT (Electric Continuous Variable Valve Timing) system, located on
the intake camshaft of the engine, uses motor rotation to control the
rotation angle of camshaft relative to the rotation of crankshaft
regardless of engine pressure. E-CVVT controls the DC motor current
...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Description and Operation
- Description
The immobilizer system will disable the vehicle unless the proper
ignition key is used, in addition to the currently available anti-theft
systems such as car alarms, the immobilizer system aims to drastically
reduce the rate of auto theft.1.Transponder (TP) – IMMO ECU Commun ...