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) 2021-2025 Service Manual: Specifications

    SpecificationAir Conditioner Item Specification CompressorTypeGamma 1.6 MPI, Gasoline 2.0 NU MPI, Gasoline 1.6 T-GDI : 6HVx14Gasoline 1.6 MPI : 6HVe14Oil type & CapacityFD46XG (IDEMITSU) 100 ± 10 g Pulley type6PK-TYPEDisplacement145 cc/revExpansion valveTypeBlock type RefrigerantTypeR - 134

    Hyundai Elantra (CN7) 2021-2025 Service Manual: Evaporator Temperature Sensor

    Description and operation DescriptionThe evaporator temperature sensor will detect the evaporator core temperature and interrupt compressor relay power in order to prevent evaporator from freezing by excessive cooling. The evaporator temperature sensor has the Negative Temperature Coefficient (NTC).

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