
– 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: When User Changes Smartphone
or Deletes Digital Key
Application
Setting digital key after smartphone
change or reset
If you have changed or reset your
smartphone, the previously registered
digital key may not be used. To set up the
digital key again:
1. Install the Hyundai Digital Key app
and log in.
2. If you are the owner, try the digital key
sa ...
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Automatic Heating and Air
Conditioning
The Automatic Climate Control System
is controlled by setting the desired
temperature.
1. Press the AUTO button. The
modes, fan speeds, air intake, and
air conditioning are controlled
automatically by the temperature
setting.
You can control the fan speed in three
stages by pressin ...