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Hidden Features of Mini Key Fobs Key fobs aren't just a decorative trinket. They can now perform everything from locking and unlocking doors to starting the car remotely. Certain models have hidden features that drivers might not know about. If your car's key fob starts acting up, it's probably time to replace its battery. The good news is that the process is comparatively simple. Switchblade Keyless Entry Fobs Key fobs do more than just unlock and start a car. It is also a theft deterrent and security device. Modern-day fobs are more convenient strong, durable, and more secure than ever. Their pricey nature could make it costly to replace them if you break or lose one. A basic keyfob can cost just a few dollars however it could cost more than $200 to program. These costs are higher for luxury vehicles or those equipped with extra features. check it out or warranties will pay for an exchange key fob. However, most people will have to pay hundreds of dollars from their own pocket if this happens. Some newer cars also include a fob that can also function as a smart key. These fobs are capable of locking, unlocking, and arming an alarm by pressing the button. They can summon your car, similar to Tesla's summon function. However, they must be within range of the vehicle to work. Fobs like this contain a metal key that folds into the fob just like a switchblade knife. A spring keeps the key tucked inside when not in use and allows you to take it out with the click of a button for access to the vehicle. A switchblade fob will cost you about the same as a key fob that has a metal key. Keyless Entry Fobs with a physical key hidden Modern key fobs provide more than just the ability to unlock and start a car. Modern models can do everything from lowering the windows to summon the vehicle, and even auto-parking. Certain of these features aren't ideal for your daily commute, but they could be extremely helpful in certain situations. Some key fobs have a physical key hidden within them, usually in the form of a flat, metal key blade. Keys can be placed in a small compartment inside the key fob, or removed by pressing the button on the base. If you're rushing to get to your car, and you forget your key or you wish to be able to start your BMW with push-to-start capabilities, having an extra key can help. The battery inside the key fob is most likely to go out at some point, and this can be a major pain in the neck. Fortunately, replacing the key fob battery is easy and affordable. You can purchase a replacement from your dealer, a third-party seller such as BimmerTech, or a hardware store, or big-box retailers. Certain BMW key fobs have the Display Key that can be used to enhance the number of functions that can be driven from the key. You can determine if the doors are locked and schedule when the air conditioner will be on. You can even check the fuel level up to 1,000ft away. Keyless Entry Fobs with Folding Side Mirrors Today's key fobs are packed with more advanced electronics than ever before, and this plastic device does much more than lock or unlock the doors and allow you to start your car remotely. It could make chirping sounds that aid you in finding your car when you are in a parking spot or act as a remote audio control that can control the radio stations in your car. Some of the newer models have a hidden function that allows you to reduce the windows instantly at the press of a button. This is ideal for a hot summer's day when your air conditioner can't keep up. You may have to test a few combinations before you can find the one that will work in your car. If you're a lover of tight spaces, the key fob in newer Chevrolet and GMC vehicles can help you out by automatically folding the vehicle's side mirrors once you have locked the car. To activate this feature, press the “lock button” on the fob and hold it for 2 seconds. Do you have a car that you share with someone who is gentle or who just doesn't have as long of legs as you? You might want to think about a car that has a key fob that allows you to set an automatic seat memory. Some models, such as those from GMC allow you to choose the seat you prefer, and the car will remember it each time you start it. Keyless Entry Fobs, that can be connected to Bluetooth With the increasing popularity of smart keys as well as smartphone access to cars, criminals have been given an easy opportunity to steal vehicles. These systems rely on wireless protocols that are susceptible to being hijacked. Criminals can spoof signals from your phone or key fob to unlock and start your car. Key fobs are small, programmable hardware token that provides on-device, one-factor authentication to facilitate access to physical objects like a car computer system, restricted space or room or mobile device. The fob transmits wireless signals to a sensing device, which recognizes the information as well as commands, and then performs the predetermined functions such as locking or unlocking. In many cases, the key fob can also be used as a security token. It can be used for two-factor or multiple-factor authentication (2FA and MFA) to provide added security. This is typically accomplished by adding biometric authentication to the equation, which can include a fingerprint scan or iris scan, or even a voice prints, for example. Keyless proximity locks like the Kwikset Kevo allow users to access their doors with an iPhone or Bluetooth-enabled key fob, removing the need for a traditional key. These kinds of systems are popular with business owners because they make it fairly easy for administrators to onboard new employees and manage access for their users without having to change locks or distribute key cards.