Hyundai Elantra (CN7): Door Locks / Rear Occupant Alert (ROA) System

This function helps prevent the driver from leaving a passenger in the rear seats.

If your vehicle is equipped with additional navigation, please refer to the infotainment system manual separately supplied.

NOTICE

When the driver turns off the engine and opens the driver’s door after opening and closing a rear door, a warning message “Check rear seats” appears.

WARNING

The rear seat passenger alarm system provides information to the driver to check the rear seats but it does not detect whether there is an object or passenger in the back seats. Please check the rear seats always when leaving the vehicle.

CAUTION

The door open and close history is initialized if the driver turns off the engine and lock the vehicle door. Even though the rear door is not opened again, the alarm may sound if there is the previous record. For example, if the driver does not lock the vehicle door and opens the door to get off after the alarm sounds, the alarm may go off.

    The child safety lock is provided to help prevent children seated in the rear from accidentally opening the rear doors. The rear door safety locks should be used whenever children are in the vehicle.

    This system helps to protect your vehicle and valuables. The horn will sound and the hazard warning lights will blink continuously if any of the following occur: -- A door is opened without using the remote key or smart key.

    Other information:

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Photo Sensor

    Description and operation Description 1.The photo sensor is located at the center of the defrost nozzles.2.The photo sensor contains a photovoltaic (sensitive to sunlight) diode. The solar radiation received by its light receiving portion, generates an electromotive force in proportion to the amount of radiation received which is transferred to

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Warning Indicator

    Components and components location Components1. BSD Indicator2. Side repeater lamp Repair procedures Inspection1.Disconnect the negative (-) battery terminal.2.Remove the front door trim.(Refer to Body - "Front door trim")3.Disconnect the power door mirror connector from the harness4.

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