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Why is my car not unlocking with my key fob?

If your car key fob is not unlocking your vehicle, there could be a few potential reasons. The most common issues include a dead battery in the fob, interference from other electronic devices, or a problem with the car's locking system. Let's explore these possibilities in more detail.


Checking the Key Fob Battery


The first thing to check is the battery in your key fob. Over time, the battery can become depleted, preventing the fob from transmitting the signal to unlock your car. To test this, try replacing the battery in your key fob. Consult your owner's manual for the specific battery type required and instructions on how to change it.


Interference from Other Devices


Another potential cause of a non-functioning key fob is interference from other electronic devices. Things like cell phones, laptops, or even other key fobs can disrupt the signal being sent from your fob to the car. Try moving away from any potential sources of interference and see if that resolves the issue.


Problems with the Car's Locking System


In some cases, the issue may not be with the key fob itself, but rather with the car's locking system. There could be a problem with the car's receiver or the wiring that connects the locking system to the fob. If replacing the battery and moving away from interference doesn't work, you may need to have a mechanic inspect the car's locking system for any underlying issues.


Troubleshooting Steps



  • Replace the battery in the key fob

  • Move away from potential sources of electronic interference

  • Check the car's locking system for any issues

  • Consult your owner's manual for specific troubleshooting steps

  • If the problem persists, contact a mechanic for further assistance


By following these steps, you should be able to identify and resolve the issue with your car's key fob not unlocking the vehicle. Remember to always consult your owner's manual for any specific instructions or recommendations from the manufacturer.

Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.