Hyundai Santa Fe (TM): Rear Occupant Alert / Description and operation

Description
The system detects the passenger in the vehicle and prevents the driver from getting off the vehicle with the passenger in the back.

- 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.

    Components 1. Rear Occupant Alert Sensor 2. Integrated body control unit 3. Cluster (Message pop-up and Voice)

    Other information:

    Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual: Mode Control Actuator. Repair procedures

    Inspection 1. Turn the ignition switch OFF. 2. Disconnect the mode control actuator connector. 3. Verify that the mode control actuator operates to the defrost mode when connecting 12V to terminal 3 and grounding terminal 7.

    Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual: Schematic diagrams

    System Block Diagram Component Parts And Function Outline Component part Function Vehicle-speed sensor, ESP/ABS Control Module Converts vehicle speed to pulse. ECM Receives signals from sensor and control switches.

     
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