The Most Negative Advice We've Ever Heard About Key Fob Repair

· 6 min read
The Most Negative Advice We've Ever Heard About Key Fob Repair

Key Fob Repair - Replace the Battery

Key fobs last between three and four years. If they begin to display signs of being worn, you should inspect them to determine if they have been damaged and replace the battery, if needed.

Many car manufacturers use coin-shaped batteries that can be found in pharmacies, grocery and hardware stores. You can also find videos online from users who show how to replace the battery on the key fob.

Reduced Operational range

It's likely that the battery is dead when the key fob stops functioning effectively. Luckily, there are many different kinds of batteries for key fobs that are available at pharmacies, supermarkets, and home improvement stores that can be bought and then easily replaced. The majority of key fobs are powered by a lithium-ion button, or coin cell battery, which is simple to replace. Certain fobs might include the battery in the case. This will require an automotive technician familiar with removing key-fob batteries.

The fob must be programmed after the battery has been replaced in order to function properly. Some vehicles allow owners to program a replacement key fob using the owner's manual or an online source, while others require that you head to a dealership for this service. For instance, Consumer Reports' automotive analyst Mel Yu explains that Mercedes-Benz keys can only be purchased directly from the manufacturer and cannot be programmed through an authorized dealer due to the digital encryption used to secure them.


The operation of remote key fobs can be affected by ambient noise and other environmental factors. Some buildings, for example contain structural steel, which can absorb radio transmissions and limit the range of keyfobs. This could also be an issue with remote key fobs that are not being operated by the driver.

If replacing the battery and having your remote key fob programmed fails to resolve the issue it could be due to an issue that is more mechanical with the key fob or its internal components. In these cases, you should contact a locksmith in College Park who can examine the key fob to determine the root of the malfunction. In this way, you can get the necessary repairs done and then drive your car again. Additionally, a reputable locksmith can supply a top-quality aftermarket key fob that is compatible with your specific vehicle's security systems. This can help you save time and money in future repairs. In certain instances, an aftermarket key can cost less than a full replacement offered by a dealer.

Warning Notifications

If your key fob is constantly telling you that the battery is not fully charged, or if it has to be held closer than usual to start your car, you should replace the fob's battery. This simple step will fix many problems, and reduce the cost of costly repairs at the dealership.

If a new battery does not solve the problem with your key fob You may have to have the remote's internal components replaced. These repairs can be expensive however, they're usually covered by your basic or extended warranty, a key protection plan that you purchased through a dealer, or through roadside assistance programs.

You could be able to save some money by buying an aftermarket replacement from a local hardware store or an online retailer. It is important to choose a trusted brand and ensure compatibility with your vehicle before buying one. A lot of aftermarket keyfobs don't work with certain vehicles, and could adversely affect the security features of your vehicle.

Some modern fobs don't have an obvious key at all, instead using a proximity sensor to unlock the doors. These types of keys can also be used to turn on the starter of your vehicle. These remotes are the most expensive and complicated to replace since they have to be programmed to your model. If you need to have one of these fobs replaced, you must visit a locksmith or automotive service center that can provide professional remote programming services.

If your key fob is broken beyond repair, you'll require replacement by the manufacturer or dealer. Certain manufacturers let you buy replacements at other stores for parts or online retailers while others require that you go to the dealer to purchase an OEM replacement. It is recommended to contact an experienced locksmith, such as Prolocksmith in Orlando, to find an affordable and effective solution. They offer same-day or next-day services to get you back on the road as swiftly as possible. They have a wide range of experience with different car brands and models, which allows them to provide top-quality, precise service. They can program the fob correctly with their experience.

Physical Damage

Your key fob isn't impervious to damage, and it could be affected by the same physical damages that be a problem for any electronic device. Key fobs consist of circuit buttons, boards and batteries. These components are susceptible to being damaged if they are exposed to sudden shocks, harsh conditions or other environmental factors. Water damage is the most likely to affect the battery and internal circuitry.  car key and repair  of liquid could cause irreparable damage.

Other types of damage can also occur and include electrical malfunctions. A dead battery is one of the most frequent reasons for a malfunctioning fob. The good thing is that a majority of key fobs have an internal compartment that makes it simple to replace the battery. If the issue continues, you should seek out an expert locksmith to solve the issue or determine whether the fob should be replaced.

Another reason for malfunctioning keys is signal interference. This can occur when other electronic devices and security systems emit radio waves that interfere with the key fob's capability to transmit or receive signals. If you find that your key fob isn't unlocking or even starting your car, try using a spare key fob to see if the problem is caused by interference.

It is possible to reprogram your key fob in case it doesn't respond to the buttons. This is usually done by an auto locksmith or dealership.

It's tempting to peek inside your key fob, but it could cause damage. Key fobs contain sensitive components, so it's best to leave any repairs or troubleshooting to professionals. If you try to disassemble the key fob with no tools, you may cause damage to the circuit boards and batteries. You could also break or break buttons. In certain situations the only option could be to replace the entire key fob. A new key fob can be available for as low as $50, making this a cost-effective and affordable repair option.

Battery Replacement

Changing the battery in your key fob could resolve a wide range of issues, such as an inability to reach or errors. You can do this yourself, but it's important to follow safety precautions, as well as the fob's manufacturer guidelines for removing and installing it. If you're not sure how to do this task yourself, contact an auto locksmith or a car dealership to help.

Begin by inspecting the exterior of your keyfob for damage. Look for indications of electrical or water damage, and make sure that the transmitter inside isn't damaged. The transmitter is the part that enables your car to recognize your key fob and communicate with it. You can use a spare key fob to open and unlock your car to check if the transmitter is broken.

You can open the case with the small backup key that's usually located on the back of the key fob. If you don't have the key fob, you can pry off the case with a flathead, watch, or other precision tool. Some have a notch that you could use to get the first gap, while others may require more pressure to break the two halves. When the case is opened take the battery you have been using and replace it with a new one, making sure to align with the orientation. Test the new battery using a spare key fob if you have one.

If replacing the batteries doesn't solve the problem, you may require reprogramming. CR's Yu explains that this procedure requires special tools, which only a few dealers have. Some dealers do not program aftermarket fobs bought from online retailers or brick and mortar car shops, as they believe them to be illegal replacements of original factory fobs.

A locksmith with the proper tools and experience can reprogram your key fob to correct this issue, but you'll need take the keys to a dealer in order to get the work done, as opposed to a locksmith who may be able to do the job on their own. In certain instances, the dealer will charge more for this service than an independent shop or an auto locksmith.