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The 10 Most Dismal Key Fob Repair Failures Of All Time Could Have Been Prevented
Key Fob Repair - Replace the Battery

Key fobs last between three and four years. If they begin to show signs that they are damaged, you should inspect them to determine if they have been damaged and replace the battery if necessary.

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

Reduced Operational range

If a key fob begins to work less reliably it's because the battery has failed. There are different types of batteries for key fobs available at supermarkets, pharmacies and home improvement stores that can be purchased and easily replaced. Most key fobs are powered by a lithium-ion battery or coin cell battery, which is easy to replace. Certain fobs might have the battery soldered into the case. This will require an automotive technician who is adept at removing batteries from key fobs.

After the new battery is installed, the fob will need to be programmed to function properly. Some vehicles allow owners to program a replacement key fob using their owner's manual or an online resource, while others require that you head to the dealer to get this service. For instance, Consumer Reports' automotive analyst Mel Yu explains that Mercedes-Benz keys must be ordered directly from the manufacturer and can only be programmed through a dealer because of the digital encryption that is used to protect the keys.

Another problem with remote key fobs is that their operation may be affected by ambient noise and other elements. For example, some structures have structural steel that can absorb radio transmissions from the key fob, and affect its range. This is also the case when remote keyfobs aren't controlled by drivers.

If the issue persists after replacing the battery or having your remote's keyfob programmed professionally it could be due to a mechanical problem within the keyfob or the internal parts of it. In these cases you should consult locksmiths in College Park who can examine the key fob to identify the cause of the issue. This way, you can get the correct repairs done and be back in the driving seat of your vehicle. In addition, an experienced locksmith can supply a top-quality key fob from the aftermarket that's compatible with your security system for your vehicle. This will 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

Replace the battery of the fob's key, if it keeps telling you the battery is not charged or if you have to hold it closer than usual to start your car. This simple fix can solve many problems and help you avoid costly repairs at the dealership.

If the replacement of the remote battery doesn't solve the issue it may be required to replace the internal components. Repairs to these components can be costly however, they're usually covered under your standard or extended warranty, a key protection plan purchased through the dealer, or under roadside assistance programs.

You might be able save money by purchasing an aftermarket replacement at a local hardware store or an online retailer. It is important to select a reliable brand and make sure it is compatible with your vehicle prior to purchasing one. Many aftermarket keyfobs do not work with certain models of vehicles, and can adversely affect the security systems of your vehicle.

Some modern fobs don't have an apparent key, instead using the proximity sensor to open the doors. These types of keys can also be used to activate the vehicle's starter. These remotes are the most complex and expensive to replace, since they must be specifically programmed for your specific model. If you need to have one of these remotes replaced, you should visit a locksmith or automotive service center that provides professional remote programming services.

If your key fob is damaged beyond repair, it's likely to need to be replaced by the manufacturer or dealer. Some manufacturers allow customers to purchase replacements from other parts stores or online retailers, whereas others require you to go to the dealer to purchase an OEM replacement. You should consult an experienced locksmith such as Prolocksmith in Orlando for a cost-effective and efficient solution. They offer same-day or next-day services to get you back on the road as fast as you can. Their extensive experience with various automobile brands and models allows them to provide precise, high-quality service. They can program the fob correctly by using their knowledge.

Physical Damage

Your key fob is not indestructible, and it can be subject to the same physical damages that be a problem for any electronic device. Key fobs contain circuit boards, batteries, and buttons, all of which are susceptible to damage caused by abrupt or unexpected shocks or exposed to extreme environmental conditions. The battery and internal circuitry are particularly vulnerable to water damage. Even a few splashes of liquid can cause irreversible damage.

Key fobs can also be susceptible to damage of other kinds, including electrical malfunctions. One of the most frequent causes of a malfunctioning key fob is a dead battery. It's good to know that the majority of key fobs have an area in which you can easily replace the battery. If the issue persists, you should contact an expert locksmith to identify the problem or decide if the fob needs to be replaced.

Signal interference is another reason of a malfunctioning fob. This happens when other electronic devices or security systems emit radio waves that interfere with the key fob's capability to receive and transmit signals. If your key fob has difficulty unlocking your car or launching it you can try a spare fob to see if it is due to interference.

You may need to re-program your key fob if it does not respond to the buttons. This is typically done by an expert auto locksmith or by the dealership.

While key repair near me tempting to open your key fob and examine the inside, be aware that doing so could cause damage to it. The key fob is packed with sensitive components, and it's recommended to leave any repairs or troubleshooting work to a professional. If you attempt to remove the key fob from its case with no tools, you might cause damage to the circuit boards and batteries. You could also break or break buttons. In some instances, the only option may be to replace the entire key fob. A new key fob can be available for as low as $50, which makes this an extremely convenient and affordable repair option.

Battery Replacement

Change the battery on your key fob will resolve a wide range of issues such as an inability to reach or error messages. You can do this yourself, but it's important to adhere to safety precautions as well as the fob's manufacturer guidelines for removing and reinstalling it. If you're not confident handling this work yourself, call an auto locksmith or a car dealership for assistance.


Begin by looking at the exterior of your key fob for damage. Look for indications of moisture or electrical damage, and then make sure that the transmitter inside isn't damaged. The transmitter is what tells your car how to communicate with your key fob. You can use a working spare key fob to unlock and open your car in order to determine if your transmitter is damaged.

You can open the case by using the small backup key that is usually on the back of the key fob. If you don't have an actual key fob, you can take off the case with a flathead, watch, or other precision tool. Some have a notch you can use to open the gap. Others may require more pressure to separate them. Once the case has been opened, carefully remove the old batteries and replace them with the new ones, which will match the orientation. If you have a spare fob check it out to ensure that the new battery works.

If replacing the batteries does not fix the problem, you may need reprogramming. However, this process requires specialized equipment that only some dealers have access to, says CR's Yu. Some dealers do not program aftermarket fobs bought from online retailers or brick and mortar auto shops, as they believe them to be illegal replacements of original factory fobs.

Locksmiths equipped with the right tools and training can reprogram your keyfob in order to resolve the problem. However, you would need to take keys to a dealer, not a locksmith, who could do the job on-site. In some instances dealers will charge more for this service than an independent shop or a car locksmith.

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