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Fixing a Faulty or Non-Responsive Car Key Fob


Car key fobs are a great convenience. They allow us to unlock our cars and start them without having to manually insert a key. Unfortunately, they can also be a source of frustration when they stop working or become unresponsive. If your car key fob isn’t working properly, here are a few tips to help you get it back in working order.

Check the Battery

The most common cause of a faulty car key fob is a dead or dying battery. You can check the battery by opening the casing of the fob and taking a look inside. If the battery is low, replace it with a new one. Be sure to use the correct type of battery for your key fob. If you’re not sure which type to use, refer to your owner’s manual.

Check the Connection

Sometimes the connection between the car key fob and the car itself can become loose or faulty. To check the connection, take the key fob out of the car and try to re-establish the connection. This can be done by pressing the lock and unlock buttons on the fob while it is near the car. If this doesn’t work, try pressing the buttons on the car itself to re-establish the connection.

Check the Antenna

The antenna on the car key fob can also become faulty over time. To check the antenna, take the fob out of the car and look for any visible damage. If the antenna looks damaged, you may need to replace it. If the antenna looks fine, you can try cleaning it with a soft cloth and a mild cleaning solution.

Check the Programming

If none of the above tips work, you may need to check the programming of your car key fob. This is usually done by a professional, so it’s best to take your car to a qualified mechanic or car dealership. They will be able to reprogram your key fob and get it back in working order.


If your car key fob isn’t working properly, don’t despair. With a bit of troubleshooting, you can often get it back in working order. Start by checking the battery, the connection, the antenna, and the programming. If all else fails, take it to a qualified mechanic or car dealership to get it reprogrammed.

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