
– 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: Engine oil pressure warning
light
This warning light illuminates:
When the engine oil pressure is low.
If the engine oil pressure is low:
Drive carefully to the nearest safe
location and stop your vehicle.
Turn the engine OFF and check the
engine oil level (For more information,
refer to the “Engine Oil” secti ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: External Amplifier
- Components
Connector Pin Information
NoConnector AConnector B
1Battery (+)Front right door tweeter speaker (+)
2Battery (+)Front left door tweeter speaker (+)
3Battery (+)Sub woofer speaker (+)
4Battery (+)-
5--
6--
7-Navigation voice (+)
8ACC-
9--
10M- CAN (High)-
11M- CAN (Low) ...