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Replacing Key Fobs For Cars Replacing key fobs could be costly, particularly when they perform various functions or are part of advanced security systems. Some fobs also require reprogramming to work with your car. A lot of dealers charge for key-fob replacement as well as programming but there are other options to accomplish the task for less money. Find out more here. Transponder Keys While a transponder key may look like a regular metal car key, it's definitely not the same. The traditional flat metal blade is replaced by an aluminum cap which houses the transponder. This key comes with a distinctive chip that transmits signals to the ignition system of the car. This technology is designed to prevent cars from starting when the key is not within close proximity and is properly programmed. These kinds of keys were first introduced in the 1990s, and have since become a standard feature of many cars. They have drastically reduced auto theft rates and provided car owners with peace of mind. Certain cars of recent years have included key fobs that allow you to start the car remotely, as well as open and roll down the windows at the touch of one button. The newer key fobs are fantastic, but they're not indestructible. They're frequently dropped, tossed around, and exposed to moisture or extreme temperatures, which can cause them to cease functioning properly. It's crucial to keep an extra key fob on hand in case your original one fails or is lost. By searching online or in the owner's guide of your vehicle, you will usually find key fobs that can be replaced. In some instances you can even purchase an additional key fob directly from the manufacturer. For models with luxury cars however, you'll have to go to the local locksmith instead. This is due to the fact that these kinds of key fobs are typically more difficult to duplicate and require specific programming systems. Switchblade Keys It doesn't matter how diligently you maintain your key fob. It could need to be replaced eventually. It is best to be prepared and keep a few things in mind so that this inconvenience doesn't catch you off guard. First, you should always have spares. Keeping two working fobs can reduce the amount you spend on replacements and reduce time by letting you remote open your windows instead of having to physically reach inside or push buttons. If your vehicle is relatively new, you'll most likely be able to find an alternative from a dealer or aftermarket supplier and have it programmed to work with your specific vehicle. The most recent replacements can only be programmed at a dealership, however, because of the complex security systems they have. They are referred to as “smart keys,” and they can cost from $200-$500 for fobs that can perform a variety of functions or are part of more advanced security systems, such as remote start. Some of these keys are also able to connect to an app on smartphones which can enable features like the trunk release, which is especially useful if you don't remember to lock your keys when leaving your home. These smart keys are generally more expensive and require special programming by a dealer. You can reduce the cost of these models by using aftermarket fobs, that can be programmed to use similar apps. A locksmith will charge more to install a smart key. Another method to cut 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 key made of metal being inserted into the ignition. The key fob is typically a small device that can vary in appearance, depending on the manufacturer of the car. It can be attached to the key made of metal on Audi and BMW models, or a single switchblade device in certain Teslas. The key fob emits low-frequency signals that contain an unique identification code each time you press a button on the remote. The code matches with a similar one that is stored in a receiver unit inside your vehicle, enabling the car to recognize the fob and allow its use. The fob is also able to communicate with the car's computer to turn on an audio system or to set the temperature control system. Certain key fobs are programmed into your car by a dealership. Dealers charge fees to connect diagnostic tools and then program your replacement fob. This method isn't always practical, however, and locksmiths may be able to offer an alternative that is more affordable. A locksmith in Houston who specialises in European automobiles could charge about $200 to program an original key fob for an Audi Q5 o BMW X7. The cost might be even more expensive for other brands. Some drivers could save money by checking their car's warranty, insurance policy or auto club membership to determine whether the key fob is covered. Most new-car warranties, which include bumper-to-bumper coverage, cover damaged or lost key fobs. Some extended warranties and new-car financing packages might also cover the replacement of a key fob. Remote Start Remote start lets you unlock your vehicle with your key fob, keychain transmitter or remote starter and then remotely start the engine before driving off. It can also be used to defrost a frosty windshield or get your engine started when you're in a parking space. These systems are usually connected to the vehicle's ignition, power and brake wires, as well as ground wires. The transmitter is a small device that communicates with the system and sends signals to your vehicle's computer to tell it to start. Generally, a remote starter costs less than key fobs and is installed at your home or by an expert auto locksmith. Some are compatible with cars that have an automatic transmission, and can be upgraded to add additional functions. However some are more costly and can only be used with specific models and makes. Some fobs may be used to summon a car like Tesla's Summon feature. Although this isn't a common feature, it can be helpful for those with tight parking spaces. The fobs that fall into this category usually require specialized programming that's only available at the dealership. Experts suggest that you purchase fobs made for your particular model and make. Locksmiths do not suggest universal fobs for all vehicles even though they can be used in many automobiles. They can cause damage to your vehicle if they are not properly programmed. They may not function as well, and could make it difficult to control your vehicle. Instead, you should purchase an alternate key fob from an auto locksmith or a reputable dealer. It should be as comfortable and appear exactly like the original, and be easy to program. Depending on your needs you may also find aftermarket fobs that appear and function exactly like factory units for less than the price. Trunk Release Car fobs are often equipped with features that extend beyond the ability to unlock or start your car. Some models let you roll down your windows, summon the car and auto-park it. This kind of feature typically requires an additional fob or app compatible with your car. If the car key fob doesn't work, you can still open the trunk to get to your belongings in the backseat or cargo area. In the majority of cars the trunk release is a cord that runs along the floor on the driver's side. The best way to locate it should be explained in the owner's guidebook of your vehicle or in the service manual. Then, you can reach underneath the carpet and pull it up to activate the trunk release. Key fobs are similar to traditional car keys but feature an exclusive chip that communicates with the transmitter on the ignition system of the car. They can be locked by pressing a button and unlocking. Basic keys are fobs that allow you to unlock your car and start it. Smart keys have multiple functions and are compatible with sophisticated safety systems. Key fobs with modern technology usually cost more than older ones, depending on the year, model and model of your vehicle. Some key fobs aren't available outside of the dealership because the process of preparing them for your car requires technological and security expertise that only the manufacturer can access. If you lose your key fob, or it doesn't work, make sure to see whether your warranty, auto insurance policy, and auto club membership will cover the cost. If how to get a replacement car key fob don't, Interstate All Battery Center can provide a replacement for a reasonable cost.