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Replacing Key Fobs For Cars It can be costly to replace key fobs especially if they have multiple functions or are part an advanced security system. Certain fobs require to be programmed to work with your car. A lot of dealers charge for key fob replacement and changing the program but there are other options to complete the task at a lower price. Continue reading to learn more. Transponder Keys A transponder car key may look similar to keys made of metal, but it is not the same. In addition to the traditional flat blade of the key it has a molded plastic top on which the transponder is located. The key is equipped with a unique chip that sends signals to the ignition system of the car. This technology prevents cars from starting unless the key located close to the ignition system is properly programmed. The introduction of these keys occurred in the late 90s and are now standard feature on a lot of cars. These keys have significantly decreased the number of auto thefts and have given car owners peace of mind. Certain cars of recent years have incorporated key fobs that can start the car remotely as well as open and shut the windows at the touch of one button. car fob replacement key are excellent however they're not impervious to damage. They're often dropped, banged around and exposed to moisture or extreme temperatures, which could cause them to cease functioning properly. It's important to keep a spare key fob on for in case the original one fails or is lost. By searching online or in the owner's manual for your car, you can usually find replacement key fobs. In certain cases you can even purchase a replacement key fob directly from the manufacturer. You'll need to go to a locksmith if you have a model of luxury automobile. These key fobs can be more difficult to duplicate and require specialized software. Switchblade Keys It doesn't matter how well you care for your key fob. It might require replacement at some point. To avoid this inconvenience it is recommended to plan and keep in mind certain tips. Always keep spares. Keeping two working fobs can reduce the amount you spend on replacements and can help you save time by letting you open your windows instead of having to physically reach in or press buttons. If your vehicle is relatively new, you'll likely be able to purchase a replacement from the dealer or an aftermarket retailer and be able to program it to work with your particular vehicle. Some of the most recent replacements can only be programmed by an auto dealer, however, because of the complexity of their security systems. These “smart keys” are priced between $200 to $500 for fobs that perform a variety of functions, or that are part of more sophisticated security features such as remote starting. Some of these fobs are also connected to a smartphone application that can activate features like the trunk release. This is particularly helpful in the event that you forget to keep your keys locked when leaving your home. These types of smart keys are usually more expensive and require special programming from a dealer. It is possible to lower the price of these keys by purchasing aftermarket fobs that can be programmed to use similar applications. However the locksmith will likely charge more for the extra work involved in installing the smart key. Another method of cutting the cost of these fobs is to periodically fluidize the folding mechanism with an application of silicone-based lubricant, but make sure you don't apply too much or you could cause internal damage. Keyless Entry The majority of modern cars have key fobs that permit drivers to unlock doors or start the engine without a metal key being inserted into the ignition. The key fob can be a small device that has various designs based on the manufacturer. It may be attached to a steel key, as on Audi and BMW models, or it may be an individual switchblade-like device, as in some Tesla vehicles. When you press a remote button the key fob emits low frequency signal which includes a unique identification number. The code matches with a similar one that is stored in a receiver unit within your vehicle, allowing the car to recognize the fob and permit its use. The fob can also communicate with the car's computer to activate a radio or set the climate control system. A dealership may program some fobs for your car with key codes. This usually involves paying for the dealer to connect special diagnostic tools and program the replacement fob to the specific vehicle. This method isn't always practical however, locksmiths might be able to provide an alternative that is more affordable. For example, a locksmith in Houston specializing in European cars could charge around $200 to replace and program a new fob for an Audi Q5 or BMW X7. Other car brands might charge even more. Make sure to check your warranty or insurance policy, or if belong to an auto club to determine if your key fob is covered. The majority of warranties for new cars, including bumper to bumper coverage, cover key fobs that are damaged or lost. Certain extended warranties or new-car financing packages may also cover a key fob replacement. Remote Start Remote start allows you to unlock your car with your key fob, keychain transmitter, or remote starter, and then remotely start the engine before leaving. It can also be used to remove frost from a windshield or get your engine started when you're in a parking space. These systems usually connect to a vehicle's power wire as well as ground, brake, ignition and the tachometer wires. The transmitter is a small device that communicates with the system and sends signals to your computer in your vehicle to instruct it to begin. Typically, a remote start is less expensive than key fobs and can be installed at home or by an expert auto locksmith. Some are compatible with vehicles that have manual transmissions and can be extended for additional functions. However certain models are more expensive and are only compatible with certain models and makes. Some fobs can be used to summon a car like Tesla's Summon feature. This feature is not widely available, but it could be beneficial for those with a limited parking space. These fobs usually require special programming, which is only available through the dealership. As a rule experts recommend purchasing fobs that are designed specifically for your particular brand and model. Locksmiths don't recommend generic universal fobs even though they can be used in many automobiles. They can damage your vehicle if they are not properly programmed. They may not work as well, and could make it difficult to control your car. Instead, you should purchase an alternate key fob from a professional automotive locksmith or reputable dealer. It should appear and feel like the original one and be easily programmed. Based on your requirements, you can even find aftermarket fobs that look and function exactly like factory units at only a fraction of the price. Trunk Release Car fobs often have features that extend beyond the ability to unlock or start your vehicle. For example, some models allow you to close the windows or call and auto-park your car. This type of feature typically requires a different fob or phone app that is compatible with your vehicle. If your vehicle's key fob isn't working it's possible to use a standard key to open the trunk and access your things in the back of the seat or cargo area. In the majority of cars the trunk release is an electric cord that runs across the floor of the driver's side. How to find it should be explained in the owner's manual for your car or in the service manual. You can then reach under the carpet and lift it up to turn on the trunk release. Key fobs are like normal car keys, but they have an exclusive chip that communicates with the transmitter on the ignition system of the car. This allows push-button locking and unlocking. Keys that can only unlock and start the car are called basic keys, while those with a range of other functions and work with security systems that are advanced are referred to as smart keys. Key fobs with modern technology usually cost more than older ones, depending on the year, model and make of your car. Some key fobs aren't sold at the dealership, as making them fit for your vehicle requires expertise in security and technology that only the manufacturer can access. If your key fob isn't working or you've lost it check your warranty, car-insurance policy and auto club membership to see whether they will cover the cost. If they don't, Interstate All Battery Center will be able to provide a replacement at a an affordable price.