10 Facts About Key Fob Repair That Will Instantly Put You In A Good Mood Key Fob Repair - Replace the Battery

Key fobs last between three and four years. If they begin to appear worn, it's a good idea to check for damage and to consider a replacement battery.

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

Reduced Operational Range

It's most likely that the battery is dead when the key fob stops functioning effectively. There are a variety of batteries that can be bought and easily replaced at supermarkets, pharmacies, and home improvement stores. The majority of key fobs utilize a lithium-ion coin or button cell battery that is fairly simple to open and replace. Some fobs may include the battery in the case. This will require an automotive technician familiar with removing key-fob batteries.

After the new battery has been installed the fob will have to be programmed to work correctly. Some vehicles let owners program a replacement key fob using the owner's manual or an online resource, while others require you to go to the dealer to receive this service. For instance, Consumer Reports' automotive analyst Mel Yu explains that Mercedes-Benz keys can only be purchased directly from the manufacturer and can only be programmed by an authorized dealer due to the digital encryption used to secure the keys.

Another issue with remote keys is that their operation could be affected by ambient noise as well as other environmental factors. Some buildings, for example, have structural steel which can absorb radio signals and limit the range of keyfobs. This can also be an issue with remote key fobs which aren't being operated by the driver.

If the issue persists after replacing the battery, or having your remote keyfob professionally programmed, it could be due to a mechanical problem within the keyfob itself or in its internal components. In these instances it is recommended to contact an expert locksmith in College Park to examine the key fob and identify the cause of its malfunction. In this way, you'll get the correct repairs done and then get back in your vehicle. In addition, an experienced locksmith can provide a high-quality key fob from the aftermarket that's compatible with your specific security system for your vehicle. This will save you time and money in future repairs. In some instances, an aftermarket key can be cheaper than a complete replacement by the auto dealer.

Warning Alerts

If your key fob is constantly telling you that the battery is depleted or has to be held closer than usual in order to start your vehicle, you must replace the fob's battery. This simple step can fix numerous issues and help avoid expensive repair costs at the dealership.


If a replacement battery doesn't solve the problem with your key fob it may be necessary to have the remote's internal components replaced. These repairs are expensive, but often covered by your warranty, a key protector plan you purchase from a dealer, or roadside assistance programs.

You might be able save some cash by purchasing an aftermarket replacement from a local hardware store or online retailer. It's important to choose a reputable brand, and ensure it is compatible with your vehicle. A lot of aftermarket key fobs won't work with certain models of vehicles and could cause harm to the security systems that protect your vehicle.

Modern fobs might not have any keys at all. Instead, they use the proximity sensor to unlock doors. These kinds of keys can also be used to trigger your vehicle's starter. These remotes are among the most difficult and expensive to replace, as they must be specifically programmed for your specific model. If you're looking to have one of these remotes replaced, you must visit a locksmith shop or service center that can provide expert remote programming.

If your key fob has broken beyond repair, you'll likely require replacement by the manufacturer or dealer. Certain manufacturers let customers purchase replacements from other stores for parts or online retailers, while others require you to visit the dealer to purchase an OEM replacement. It is recommended that you speak with a professional locksmith like Prolocksmith Orlando to get an affordable, efficient solution. They offer same-day or next-day services to get you back on the road as fast as possible. They have a wide range of experience with different vehicle brands and models, allowing them to provide high-quality accurate service. They are able to program the fob correctly using their expertise.

Physical Damage

Your key fob is not indestructible, but it could suffer from the same physical damage that could be a problem for any electronic device. Key fobs are made up of circuit boards, batteries and buttons, and all of them are susceptible to damage caused by sudden or unexpected shocks, or by exposure to harsh environmental conditions. Water damage is the most likely to affect the battery and internal circuitry. Even splashes of water can cause permanent damage.

Key fobs are also susceptible to other kinds of damage that include electrical malfunctions. A battery that is dead is among the most frequent reasons for a malfunctioning key fob. The good thing is that a majority of key fobs come with a compartment that makes it simple to replace the battery. If the issue persists you should contact an expert locksmith to resolve the issue or to determine if you're required to replace the fob.

Signal interference is a different cause of a malfunctioning fob. It can happen when other electronic devices or security systems send out radio waves that disrupt the key fob's ability to receive and transmit signals. If your key fob has trouble unlocking your car or starting it, you can try a different fob to determine if the issue is due to interference.

You may have to reprogram your key fob in case it doesn't respond to the buttons. This is usually handled by an auto locksmith or a dealership.

It's tempting to take a peek inside your key fob, but it could result in damage. A key fob contains sensitive components, so it's best to leave any repairs or troubleshooting tasks to a professional. Disassembling a key fob without proper tools could result in cracks, broken buttons or damage to the circuit board or batteries. In some cases replacing the key fob could be the only option. A new key fob can be purchased for as low as $50, making it a cost-effective and easy repair option.

Battery Replacement

The battery in your key fob can be replaced to resolve common issues, like a lack range or error message. You can do it yourself however, it's essential to follow safety precautions, and also the fob's manufacturer guidelines to remove and reinstall it. If you're not confident of your abilities to perform this task, call an auto locksmith or car dealer for assistance.

Start by checking the exterior of the keyfob for damage. Look for indications of electrical or moisture damage, and also check that the transmitter inside isn't damaged. The transmitter is what tells your car how to communicate with your key fob. If you have an extra key fob that's working properly then try using it to open and lock your car to make sure the transmitter isn't damaged.

The majority of key fobs have an additional key on the back which can be used to pop the case open. If you don't own a key fob, you can pull apart the case with a flathead, watch or any other precision tool. Some models have a notch you can use to open the first gap. Others may require more pressure to break them. When the case is opened take the battery you have been using and replace it with a brand new one, making sure to be in the same orientation. Test the replacement battery using an additional key fob in case you have one.

If replacing the batteries doesn't solve the issue, you may need reprogramming. This process, however, requires specialized equipment that only some dealers have access to, says CR's Yu. Some dealers will not program aftermarket fobs that are purchased from online retailers or brick and mortar auto shops since they consider them to be illegal replacements of original factory fobs.

Locksmiths equipped with the right tools and training can reprogram your key fob to resolve the problem. However, you would need to take the keys to the dealer, rather than an expert locksmith who can do the job on-site. In car keys repairs near me will charge more for this service than a local shop or a car locksmith.