Hyundai Elantra (CN7): Blind-Spot Collision Warning (BCW) / Function malfunction and limitations

Function malfunction

When Blind-Spot Safety system is not working properly, the ‘Check Blind-Spot Safety system(s)’ warning message will appear on the cluster, and the system will turn off automatically, or the system will be limited. We recommend that the system be inspected by an authorized HYUNDAI dealer.

When the outside rearview mirror warning light is not working properly, the ‘Check side view mirror warning light’ warning message will appear on the cluster. We recommend that the system be inspected by an authorized HYUNDAI dealer.

    Function warning Vehicle detection To warn the driver a vehicle is detected, the warning light on the outside rearview mirror will illuminate. The system will operate when your vehicle speed is above 12 mph (20 km/h) and the speed of the vehicle in the blind spot area is above 7 mph (10 km/h).

    When the rear bumper around the rear corner radar or sensor is covered with foreign material, such as snow or rain, or installing a trailer or carrier, it can reduce the detecting performance and temporarily limit or disable Blind-Spot Safety system.

    Other information:

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Description and operation

    DescriptionThe immobilizer system will disable the vehicle unless the proper ignition key is used, in addition to the currently available anti-theft systems such as car alarms, the immobilizer system aims to drastically reduce the rate of auto theft.1.

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Power Mosfet

    Description and operation DescriptionIt is installed to the DATC and adjusts the fan rpm by precisely controlling the voltage applied to the blower motor. Repair procedures Inspection1.Manually operate the control switch and measure the voltage of the blower motor.

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