Car Key Fob Repairs: The Good, The Bad, And The Ugly

· 6 min read
Car Key Fob Repairs: The Good, The Bad, And The Ugly

Car Key Fob Repairs

Like any electronic device keys for cars can have issues with their function. Fortunately, the majority of these problems are fairly easy to fix.

For example replacing the flat battery in a key fob is $10 or less and can be done at a majority of hardware stores and online. However, some repairs require professional help from a dealer or an independent shop.

Dead Batteries

The majority of key fobs run on batteries and the most frequent issue that causes them stop functioning is a dead battery. The good news is that this is easy to fix, especially if you keep spare batteries on hand.  key repair  can find flat watch-style batteries in the majority of auto parts and hardware stores, and they're generally less expensive than you imagine. You can also open your key fob using an multi-tool to replace the battery inside. However this is a bit more difficult and may require assistance from a professional.

Keeping an extra battery handy is a good idea, however, there are other issues that can be wrong with your key fob that cannot be fixed with a new battery. If you discover that you have to be nearer to your car to unlock or start it, it could mean that your key fob has lost the connection to your vehicle's receiver. This is a similar issue which can be resolved by resetting your key fob but you will need to go through the owner's manual to find instructions.

Some vehicles also have keys that control the push-button starter, which makes the ignition and engine control accessible without the traditional key. These are more complex and are more expensive to replace in the event of being damaged or lost. You'll need to go to the dealership to have the fobs reprogrammed. This could cost hundreds of dollars. It is possible to get this done by an independent shop who is able to work with your specific make and model.

Avoid the temptation to purchase a cheap fob online as they can be more costly and less reliable than fobs made by dealers. Visit your local stores and inquire if they're able to complete this kind of job. Get a quote first before you make any commitments. Some insurance companies will cover the cost but it could be a significant expense if you have a high deductible policy.

Buttons Damaged

Car key fobs take quite a beating. They bounce around in pockets, purses and are often dropped on hard surfaces. They also get wet to varying degrees. This jolting can cause buttons on the key fob to stop responding and may require replacement.

Batteries could be the reason behind the key fob button not working. Fob batteries are small, coin-shaped, and are easy to replace at home. The owner's manual of your vehicle should provide details on the kind of battery you require and how to replace it. There are online guides if you don't own the manual for your car.

When opening a keyfob you should be very careful as the circuitry is delicate and the buttons. Screwdrivers could damage these parts and cause the issue to get worse. If you are unsure how to open the key fob, it's usually best to visit a shop that provides this service. They can remove the case, find out what type of battery is inside (usually a flat watch style), and replace it with a new one.

The environment and the location the fob is stored will also affect the life of your battery. Storing them in extreme temperatures or cold temperatures can cause premature battery death, and can cause the fob to lose its connection with the car's receiver. Most remotes can be reset, however this often requires professional assistance from a locksmith or the car dealer.

If your key fob still does not work after having changed the batteries and replaced the actuators on the buttons it could be the right time to take your car to Hillside Auto Repair for an inspection. A certified technician from Hillside Auto Repair can inspect the fob of your car and determine if it needs replacing it or changing the programming. If the latter is the case then you might have to return to the shop for a dealership-made fob. This is because some automakers don't allow other manufacturers to make fobs that work with their vehicles.

Buttons that are not responsive

If your key fob has gone non-responsive The first thing to look at is the batteries. These batteries are usually less than $10 and are available at hardware stores, big-box retailers and online. YouTube videos and a lot of owner's manuals explain how to replace the battery. After that the buttons should start working again.

The other possible cause could be a malfunctioning relay or some other electrical component that's disrupting the communication between the button and the vehicle. If you're still experiencing an unsettling silence when you press the page or no buttons, contact someone who can help to solve this issue.

If the issue isn't resolved, it might be time to replace your car key fob. Keychain-sized remotes are generally made of plastic with buttons that unlock and lock doors and start the car and set off an alarm. They are also useful to park your car in the event that you own an older car.


If these small devices break down, it can be a major inconvenience and a loss of security. A stolen or lost key fob can cause problems to start your car, making you vulnerable to thieves and scammers.

Some drivers may be tempted to buy a cheap replacement key fob online rather than go to the dealer, but this is a costly and risky mistake. The reason for this is that not all aftermarket key fobs can be reprogrammed according to the specific vehicle settings. Contact your automaker or local locksmith to determine the cost of replacing a lost key fob with a dealer made one.

If you do not want to wait for an repairman, you can make use of NAPA Auto Parts, which provides replacement fobs. They stock hundreds of different models. These replacement fobs appear and function just like the originals, but they can be programmed at home using an inexpensive programming tool. This is a better option than programming a fob on your own. It takes only some minutes and can be completed from the comfort of your garage.

Unresponsive Car

The car key fob is an advanced device that is convenient to get into your car and directing functions like opening the doors or turning on the engine. They work by sending an electronic signal that has a unique radio frequency to a receiver in the car which can then identify whether the signal sent is the right one.

These devices are not cheap, and it can be expensive when they malfunction. This can be a hassle, especially if you're driving. There are a few ways to resolve the issue and get back on your way quickly.

The first thing you should do is to change the battery. They are typically flat watch-style batteries that are easily available at a hardware store or auto parts store. There is no need for any other items to fix the issue. If the problem persists it might be necessary to replace the key fob.

Key fobs can be expensive to replace due to them being complex pieces of technology. Based on the kind of key fob used and the year of the vehicle replacing it could cost you hundreds of dollars. It can cost even more in the event that you have to change the programming on it.

You can change a key fob at various locations, including automotive locksmiths and dealerships. The dealership is typically the most expensive alternative. They might offer a more convenient option by coming to your home and programming the remote there.

If your key fob isn't working, it can be frustrating and annoying. While this could be a sign of something more serious happening with the vehicle but it could also be an indication that you require new batteries or that the button has become stuck or is stuck. These simple solutions can be a bit frustrating but they will bring you back on the way in a reasonable time.

If you're still having issues then you should visit an automotive locksmith to assist you with a replacement fob for your key. They can program the new fob to ensure that it is compatible with your specific vehicle.