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Why Doesn't the Key Fob Work After Replacing the Battery?

Model: (Various brands) Various
Part: Checks and maintenance

Video tutorial

In this video, we explore why the car remote may not function even after changing the battery. First, there could be an issue with the remote itself: for example, the buttons may wear out or loosen, especially if they are rubber, in which case they can be removed, cleaned, and reattached.

Another reason could be the battery connectors, a problem not visible from the outside, requiring the remote to be disassembled and checked: the connectors may have shifted or become damaged. However, the issue could also be the connection with the vehicle, meaning the pairing with the car has been lost.

How to reconnect the remote to the vehicle? Get in the car and close the door, insert the key and turn on the ignition; turn it several times until you hear a beep indicating that the remote has been reconnected. You can also use another method by getting in the car and manually opening the door, insert the key and turn it 6 times within 10 seconds: the exterior lights should flash, turn the key again, press one of the buttons, and if the procedure was successful, the hazard lights should flash, but test the remote to see if everything is in order.

If none of these methods work, you will need to consult a specialist workshop.


Updated on 29 October 2026 by ScegliAuto


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How to Remove the Rear Seat of a Hyundai Tucson?

To remove the rear seat of a Hyundai Tucson, follow these steps. Start by moving the front seats to their most forward position to gain space. Next, locate the release lever on the underside of the rear seat, near the floor. Press this lever down while pulling the seat upwards to unlock it from the anchor pins. Once unlocked, tilt the seat upwards and forwards to remove it from its position. Repeat this process for both sides of the rear seat. Be careful of any electrical cables or components that may be connected to the seat during removal. Once the rear seat is removed, the disassembly is complete.

Watch the video!


by ScegliAuto

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