Key Fob Repairs
The key fob in your car relies on batteries, and they can get depleted over time. This issue can be resolved by a simple battery replacement.
Key fobs are useful and convenient, but they can also be costly to replace in the event of a malfunction. Luckily, most key fobs can be repaired for less than it would cost to replace them at the dealership.
Dead Battery
Car key fobs permit you to unlock your doors without the need of physical keys. They also start your car. They communicate with the car's internal systems through radio signals. If they stop working, you'll have to fix them or find an auto locksmith who is reputable to reprogram them. Some fobs come with an extra battery to help you avoid being stranded in the event that your original battery fails.
Most times the dead battery is an easy fix. You can buy replacement key fob batteries at the majority of grocery stores or department stores. Be sure to purchase the right size battery since each key fob requires a distinct type. Once you've got the new battery replace the old one and your key fob will start working again.
If a replacement battery isn't able to solve the issue your fob might be having a problem of its own. Damage caused by dropping or neglected over time, is a common reason why a fob is malfunctioning. Fobs that show signs of damage could need to be replaced and this is usually done at a dealership where they can also program an alternative fob for you in the event that it is needed.
Additionally keys may also wear out from age or exposure to dirt and grime. Dirty keys are more likely to fail to work properly, so it's recommended to clean them often. This can be done using small brushes or a paper towel to safely remove any dust or dirt that has accumulated on the device.
Certain fobs don't have a clear spot to get inside, which means you'll have to do some dismantling. You should be very careful when you do this. To replace the battery, you'll have to locate it and then open the fob. It's not always easy to open the case. A flathead screwdriver or another similar tool, may be required. Certain fobs are not able to be opened, so it's best to take them to a dealer if you're not sure.
If you're still having problems with your key fob after attempting several simple fixes, it could be a sign that something is wrong in your vehicle. It's not a common occurrence, but it's worth checking whether your fob continues to not work after you have tried a few quick fixes.
Dirty Contacts
If your key fob does not work after replacing the battery, it may have dirty contacts. These tiny contacts are rubber-like and coated with an electricity conducting film that can wear out with time. This is usually something you can fix yourself with the metallic tape piece and a punch. Disassemble your device and place a tiny piece of tape on each contact to repair the electrical connection.
You can also buy replacement fobs from automotive shops. They're designed to reprogram on their own. These replacement fobs are often cheaper than buying new ones from a dealer, and can appear similar to the original.

You could also try a spare keyfob. This will let you determine if the problem lies in your fob or your vehicle itself. You can also test if you can start your car using your fob. This will help determine if the ignition switch is malfunctioning.
In the end drop your key fob or other damage to it over time may cause the buttons not to function properly. It is possible to repair this type of damage, but it's generally better to replace the fob.
It is an excellent idea to have an extra key in your glove compartment in case the primary key fails. In an emergency having a spare key could save you money and stop you from getting trapped. It is essential to repair your key fob as soon as you can if it doesn't respond when you touch it. This will ensure your safety when driving. The good news is that most problems can be easily resolved and you don't have to visit an auto dealer for costly replacements.
Broken Case
Many car owners are tempted to purchase a low-cost key fob online and then try to replace theirs. This might seem like a great idea, but if the new one does not have the same radio frequency as the previous one isn't working, you could end up spending more than if you went to a reputable auto technician for a professional fix.
Another reason the reason a key fob might not function is because it's broken or damaged. This is a common problem that can be fixed without a significant amount of money.
To fix a broken case you will need to remove the battery. It's visible on the back of the key fob if the light is on. You'll need some silicone which can be purchased at an hardware store or on the internet. Place some silicone into the cracks or breaks on the bottom of your case. Fill the entire area. Put a piece of plastic on the top of the silicone and then fit the circuit card. This will ensure that the silicone is sealed before it has time to dry. (Make sure that the circuit card button is not depressed during this procedure).
Next, use a small amount of clear tape to help reinforce the crack. This will give the case more strength and stop it from cracking in the future.
You may also want to think about applying a layer veneer. This is an inexpensive option to give your home a more attractive appearance and is done in the same way as applying clear tape. You can buy veneer material at a craft or hobby shop, or spend time scouring flea markets to find materials that are used and cut down.
Some key fobs have an extra case that can be used to house the circuit board as well as buttons. If this is the case with yours you might be able to transfer the circuit board from your broken case into an entirely new case. This is possible for some makes and models however not all. You should always have an automotive tech check the replacement keys before using them. They'll be able to tell you whether it's safe or not, and will likely reprogram your car if required.
Weak nearby key repair shop
When you use your key fob to lock and start your vehicle, it has to have a physical metal key inside. If there isn't, then the fob won't be able to open your doors and won't start your engine. This is a straightforward issue that can easily be fixed by a local locksmith or auto parts store.
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It is also worth noting that even if the physical part of your key fob looks good, you might need to get it reprogrammed. Modern keys need to be programmed to match your car's VIN in order to operate correctly, and the programming can become corrupted over time. In these instances it is recommended to go to an automotive locksmith to have your key properly programmed.
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