10 Tell-Tale Signs You Must See To Look For A New Key Fob Repair

10 Tell-Tale Signs You Must See To Look For A New Key Fob Repair

Key Fob Repair - Replace the Battery

Key fobs typically last three to four years. When they begin to show signs of wear, it's a good idea to inspect them for damage and a possible battery replacement.

A lot of car manufacturers use a coin-shaped batteries that can be found in pharmacies, grocery and hardware stores. You can also find online videos from people who have shared their experiences on how to replace a key fob battery yourself.

Reduced Operational range

When a key fob starts to malfunction less frequently, it's usually because the battery has died. There are a variety of batteries that can be bought and easily replaced at supermarkets pharmacies, pharmacies, or home improvement stores. The majority of key fobs utilize a lithium-ion coin or button cell battery that is fairly easy to replace and open. Certain fobs might have the battery soldered into the case. This will require an automotive technician experienced in removing key fob batteries.

The fob must be programmed after the battery has been replaced for it to work properly. Certain vehicles let you program a replacement fob for a key by using the owner's manual or an online source. Others require that this service be done at the dealership. For instance, Consumer Reports' automotive analyst Mel Yu explains that Mercedes-Benz keys must be ordered directly from the manufacturer and cannot be programmed at a dealer because of the digital encryption used to secure them.

The operation of remote key fobs could be affected by ambient sound and other environmental factors. For example, some buildings have structural steel that can absorb radio signals from a key fob and interfere with its range. This can also be an issue with remote key fobs that aren't being operated by the driver.

If replacing the battery and having your remote key fob professionally programmed fails to resolve the issue it could be due to a larger mechanical issue with the key fob or its internal components. In such cases you should seek out a locksmith 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 then get back in your vehicle. Additionally, a reputable locksmith can provide you with a high-quality aftermarket key fob that is compatible with your specific security system for your vehicle. This will help you save time and money in future repairs. In some cases an aftermarket key could cost less than a full replacement provided by the dealer.

Warning  car keys repair

Replace the battery in the key fob if the fob tells you that the battery is dead or if you need to hold it a bit closer than normal in order to start your vehicle. This simple fix will solve many issues, and will help you save money on costly repairs at the dealership.

If a new battery doesn't solve the issue with your key fob, you may need to have the remote's internal components replaced. Repairs can be costly however, they're usually covered under your basic or extended warranty or a key protection plan purchased through the dealer, or under roadside assistance programs.

You could be able to save some money by purchasing an aftermarket replacement from a local hardware store or an online retailer. However, it's essential to choose a reputable brand and ensure compatibility with your vehicle prior to purchasing one. A lot of aftermarket key fobs won't work with some models of vehicles and could affect the security systems that safeguard your vehicle.

Modern fobs may not have keys at all. Instead, they use a proximity sensor to open doors. These types of keys can also be used to trigger your vehicle's starter. These remotes can be most expensive and difficult to replace because they need to be programmed to the specific model of your vehicle. If you need to have one of these remotes replaced, you should visit a locksmith or automotive service center that provides expert remote programming services.

If your key fob is damaged beyond repair, it's likely to need to be replaced by the manufacturer or dealer. Certain manufacturers permit you to buy replacements at other parts stores or online retailers, while others require that you visit the dealership to get an OEM replacement. It's recommended that you contact a professional locksmith like Prolocksmith Orlando for an affordable, effective solution. They offer same day or next-day service to get you back on the road fast. Their extensive knowledge of various car brands and models enables them to provide accurate, high-quality service. Utilizing their knowledge, they can ensure the fob is properly programmed to your vehicle's security systems.

Physical Damage

Key fobs are not indestructible and are susceptible to damage through the same physical harm like any other electronic device. Key fobs contain batteries, circuit boards and buttons, and all of them are susceptible to damage caused by sudden or unexpected shocks or when exposed to harsh environmental conditions. Damage from water is likely to affect the battery and internal circuitry. Just a few splashes of liquid can cause irreversible damage.

Other types of damage can also occur, including electrical malfunctions. A dead battery is among the most frequent causes for a malfunctioning fob. It's a good thing that the majority of key fobs have an area where you can easily replace the battery. If the issue continues you should seek out an expert locksmith to resolve the issue or to determine if it is necessary 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 interfere the key fob’s ability to receive and transmit signals. If your key fob is having difficulty unlocking your car or even starting it, you can try a spare fob and see if this is due to interference.

You may have to reprogram your key fob if 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. Key fobs contain sensitive components, so it's best to leave any repairs or troubleshooting tasks 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 some instances, the only option may be to replace the entire key fob. A new key fob can be purchased for as little as $50, making it a cost-effective and easy repair option.

Battery Replacement

Change the battery in your key fob can resolve a wide range of issues like a lack of range 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 reinstalling it. If you're not sure how to do this task on your own, contact an auto locksmith or car dealership to assist.

Start by inspecting the exterior of your key fob to check for damage. Check for any signs of electrical or moisture damage. Also, ensure that the transmitter is not damaged. The transmitter is what tells your car how to communicate with your key fob. If you have an extra key fob that's functioning properly, try using that to open and lock your car to verify the transmitter isn't damaged.

You can open the case by using the small backup key that's usually located on the back of the key fob. If you don't have an actual key fob, you can make use of a flathead screwdriver, watch or any other tool that is precise to break the case. Some have a notch you can use to open the gap. Others might require more pressure to split them. After the case is opened, carefully remove the old batteries and replace them with the new ones, matching the orientation. If you have a spare battery check it out to ensure that the new battery functions.

If replacing the batteries doesn't fix the problem it could be necessary to reprogramme. This process, however, requires specific equipment that only certain dealers have access to, says CR's Yu. In addition, some dealers aren't able to program aftermarket fobs purchased from online stores or brick-and mortar car shops, since they view these to be illegal replacements for original factory fobs.


A locksmith with the proper tools and experience can reprogram your key fob in order to fix this issue, but you'll have take keys to a dealer in order to get the work done, as opposed to a locksmith who might be able to handle the job on their own. In some cases, the dealer will charge you more for this service than an independent shop or a car locksmith.