
– 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: Filler-Neck Assembly
- Removal
• Be careful not to damage the parts located under the vehicle
(floor under cover, canister, fuel tank) when raising the vehicle using
the lift.(Refer to General Information - "Lift and Support Points")
1.Turn the ignition switch OFF and disconnect the batter ...
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Lane Keeping Assist Malfunction
and Limitations
Lane Keeping Assist malfunction
When Lane Keeping Assist is not working
properly, the "Check Lane Keeping
Assist (LKA) system" message may
appear and the yellow
indicator
light may illuminate on the instrument
cluster. Have the vehicle inspected by an
authorized HYUNDAI dealer.
Lim ...