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    My 2017 Hyundai Tucson won't unlock, is it a problem with the key or the car?

    Hyundai Hyundai Advice Hyundai Tucson Hyundai Tucson Advice Hyundai Tucson 2017

    Every time I go to use my 2017 Hyundai Tucson, I have to walk at least 100m away from the car with the key then come back to the car for the key to re-register with my car. Is this a fault with the car or the key?

    Answered by CarsGuide
    15 April 2021
    David Morley

    It could be either the car or the remote-control unit at fault, and it’s impossible to tell without actually examining the vehicle. A remote-control unit with a battery that is low on voltage can cause all sorts of mysterious problems with a car’s central locking. But it’s also possible that the vehicle’s body-computer (which controls all the functions involved in unlocking and starting the car) could be malfunctioning also. If that’s the case, it will be a much more involved and expensive job than changing the battery in a remote-control unit.

    Disclaimer: You acknowledge and agree that all answers are provided as a general guide only and should not be relied upon as bespoke advice. Carsguide is not liable for the accuracy of any information provided in the answers.
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