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Hidden Features of Mini Key Fobs Key fobs aren't just decorative trinkets. They can now perform everything from locking and unlocking doors to starting a car remotely. Some even have hidden features that owners may not know about. If your car's key fob starts malfunctioning, it's time to replace its battery. It's an easy task. Switchblade Keyless Entry Fobs A key fob does much more than simply unlock and start the car. It also serves as a theft deterrent and security device. Modern-day key fobs with high-tech technology are more efficient, practical and secure than they have ever been. But their high cost can make them expensive to replace in the event of losing or break one. A basic key fob may be a couple of dollars to buy however programming it could cost more than $200. These prices are higher for vehicles with high-end features or other special features. Certain basic warranties or insurance coverage programs can cover the cost of replacing a fob, but the majority of people will have to shell out hundreds out of pocket in the event of needing to get their device repaired. Certain cars of recent years also include a fob that doubles as a smart key. The fobs can be used to lock, unlock and arm an alarm at the press of a button. They could even summon your car like Tesla's summon feature, however, they must be within range of the vehicle for them to function. This type of fob contains the lock made of metal that folds in the fob, similar to the switchblade. A spring keeps the key tucked inside when it's not in use and it is possible to pop it out with the click of a button to access the vehicle. A switchblade key fob costs about the same as a key fob with a metal key. Keyless Entry Fobs with a hidden physical key Many modern key fobs offer more features than just unlocking and starting an automobile. Modern models can perform everything from opening and closing windows to summoning the vehicle and even auto-parking. Certain of these features aren't suitable for your everyday commute, but they can be extremely useful in certain situations. Some key fobs have keys that are physical, typically in the form a flat metal blade. Keys are stored in a small space inside the fob. They can be removed by pressing a button located at the base of the key fob. A spare key can be useful when you're in a hurry to get to your BMW and you have forgotten your key. The battery inside your key fob is likely to go out at some point, and that could be a huge neck pain. The battery for your key fob could be replaced cheaply and easily. You can purchase an additional battery from your dealer, BimmerTech or a big-box retailer or hardware store. Some BMW key fobs come with a Display Key that allows you to control your car using the key. You can determine if the doors are locked and plan when the air conditioner is scheduled to turn on. new mini key 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 modern electronics than ever, and this little plastic device does much more than lock and unlock doors and also start the car remotely. It may also make chirping noises to help you locate your car in a parking lot or as an audio remote control to control the radio stations of your car. Certain models that are more modern have a hidden function that allows you to lower the windows instantly with the touch of a button. This is ideal for a hot summer's day when your air conditioner just cannot keep up. The sequence of buttons that activate the feature may not be labeled and you might have to play around with different combinations until you've found one that works for your vehicle. If you want to keep your car in a tiny space, the key fob on some newer Chevrolet or GMC vehicles will automatically fold the side mirrors after you lock it. To enable this feature, just press the “lock button” on the fob and hold it for a full 2 seconds. Do you share your car with someone who is gentle or who just doesn't have as long of legs as you? You might want to look into a vehicle with keys that allow you to set a seat memory. Some models, such as those from GMC allow you to choose an individual preference for your seat and the car will remember it every time you start it. Keyless Entry Fobs that connect to Bluetooth Criminals have the ability to steal cars with ease due to the popularity of smartphone car access and smart keys. Wireless protocols used by these systems are susceptible to hijacking by criminals who can spoof the signal from the key fob or smartphone to open and start your vehicle. Key fobs are small electronic token that is programmable and allows on-device, one-factor authentication to facilitate access to a physical object such as a car, computer system, restricted area or mobile device. The fob transmits wireless signals to a device which recognizes the information as well as commands, and then performs the predetermined functions like locking or unlocking. In many instances, the key fob can also be used as an additional security token. It can be used for two-factor or multiple-factor authentication (2FA and MFA) to offer additional security. This is typically accomplished by adding biometric authentication to the equation. This can include fingerprint scans or iris scan, or a voice print, for example. Keyless locks that are proximity-based like the Kwikset Kevo allow users to access their doors with smartphones or a Bluetooth-enabled key fob, removing the need for a traditional key. These kinds of locks are very popular with business owners because they make it relatively simple for administrators to integrate new employees and manage user access without having to change locks or distribute key cards.