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Is Your Car Key Not Working? Here Are 6 Possible Reasons Why

Everyone has had one of “those” days. They are rushing to get somewhere, attempt to unlock or start their car, and nothing happens. When the key does not work as it should, life can be extremely frustrating.

image - Is Your Car Key Not Working? Here Are 6 Possible Reasons Why
Is Your Car Key Not Working? Here Are 6 Possible Reasons Why

In these situations, one of the best things a person can do is to contact the professionals at Action Lock Doc. However, getting to know some of the top reasons their key may not work correctly can also be helpful.

Keep reading to learn what those reasons are.

1. The Lock Is Damaged

If the key does not work when trying to unlock a vehicle, there is a chance the lock is damaged. If the vehicle is newer, the likelihood of this happening is lower since most cars offer keyless entry and keyless start.

However, for older vehicles that still require a key for unlocking the door and starting the engine, this issue is actually pretty common. Car locks and keys work together, which means wear and tear will occur after so much use. Other damage may occur as well.

2. The Key Is Damaged

Another potential issue is that the vehicle’s key is damaged. It could be bent, broken, or used so much the notches have been worn down so it will no longer open the lock. This is another common reason the lock may not be working.

3. Faulty Ignition Cylinder

The key is not only what opens a vehicle’s door, but it also turns the car on and off. Car keys have to work with the mechanism inside the lock or steering column. If the key is not working when it is put in the ignition switch, it may not be an issue with the key.

Sometimes, the problem could be with the ignition switch itself. The mechanical components inside are also susceptible to wear and tear, so things may break down. The vehicle’s ignition cylinder is no exception to this.

4. Old Key Fob Batteries

Does the key fob require batteries? If so, the key may not work if the batteries are old and need to be replaced. This is a common issue and comes with an easy and affordable solution. As time passes, all batteries will die, so fixing the issue should not be difficult.

5. Internal Key Fob Damage

Sometimes, the fob may stop working because it has been damaged. The fob works based on communication that occurs between the transmitter and the receiver.

If one of these elements is damaged, it means the fob will not work properly. Sometimes, the key fob will have to be replaced, but repairs may also be possible, so it is a good idea to get help from a locksmith.

6. The Key Isn’t Programmed Properly

Before a key to a newer vehicle can be used, it must be paired with the vehicle in question. Pairing the keys with vehicles provides another layer of security for those vehicles.

As anyone can see, there are several reasons that a key may not be working as it should. If these issues are present, it is a good idea to take action and get in touch with a locksmith for help. The locksmith can find the underlying issue and make the needed repairs or replace the faulty lock or key.


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