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Hidden Features of Mini Key Fobs Key fobs are no longer just decorative trinkets. TheKeyLab , they can accomplish everything from locking and unlocking doors to starting the car remotely. Some even have extra features that the owners may not be aware of. If your car's key fob starts being a bit shaky, it's time to replace the battery. The good news is that the process is fairly simple. Switchblade Keyless Entry Fobs A key fob can do much more than unlock and start cars. It also serves as a security device and deterrent to theft. Today's high-tech fobs are convenient and durable, and are more secure than ever. However, their price could make them expensive to replace if you lose or break one. A basic keyfob may cost just a few dollars, but it can cost upwards of $200 to program. These costs are higher when you have a vehicle with top-of-the-line options or features. Certain basic warranties or insurance coverage programs might pay for the replacement fob, however the majority of people have to shell out hundreds out of pocket when they need to have their fob repaired. Certain newer cars have a fob which functions as a smart keys. They can lock, unlock, or activate an alarm with the pressing of the button. They can even summon your vehicle similar to Tesla's summon feature however, they must be in range of the vehicle to operate. Fobs of this kind contain the key made of metal, which folds into the fob in the same way as a switchblade knife. The key is tucked away when not in use thanks to springs. It can be removed at the touch of a button. A switchblade fob is priced around the same as a key fob with a metal key. Keyless Entry Fobs that have an invisible physical key Modern key fobs come with more features than just unlocking and starting the car. Newer models can do everything from lowering windows to summoning the vehicle and even auto-parking. Some of these functions aren't suitable for your everyday commute but they can be extremely helpful in certain situations. Some key fobs have a physical key, often in the form of a flat blade of metal. Keys are stored inside a small compartment within the fob. They can be removed by pressing a button at the base of the key fob. If you're rushing to get to your vehicle and you've lost your key or you'd like to be able to start your BMW using push-to-start, having an extra key could be helpful. The battery inside your key fob is sure to go out at the time, and that can be a huge discomfort for neck. Fortunately that replacing the key fob battery is easy and affordable. You can buy a replacement from your dealer, a third-party vendor such as BimmerTech, or a hardware store or big-box retailer. Some BMW key fobs include a Display Key that allows you to control your car with the key. You can verify if the doors are locked and set a timer when the air conditioner will be turned on. You can also see the level of fuel up to 1,000ft away. Keyless Entry Fobs with Side Mirrors Folding Key fobs of today are more sophisticated than ever. They do more than simply lock and unlock doors or remotely start the car. It can make chirping sounds that help you locate your car in a parking lot or serve as a remote audio control to control the radio stations in your car. One of the most useful hidden features is available on modern models that allow you to minimize all windows instantly by pressing a button on the key fob. This is a great feature to have on a hot day when the air conditioner can't completely complete the task. The sequence of buttons that activate the feature isn't always clearly labeled and you might have to experiment with a few different combinations until you've found one that works for your vehicle. If you're a fan of tight spaces keys in some of the newer Chevrolet and GMC vehicles can help out by automatically folding the side mirrors after you lock the vehicle. Simply press the “lock” button on the fob for a full minute to enable this feature. Do you share your car with the gentle giant or someone who just doesn't have the same length of legs as you? Then you might want to think about a car that has keys that allow you to set an automatic seat memory. Certain models, like those from GMC allow you to set the seat you prefer, and the car will remember it every time you start it. Keyless Entry Fobs that connect to Bluetooth With the popularity of smart keys and smartphones for car access criminals have had an easy way to steal vehicles. These systems utilize wireless protocols that are susceptible to hijacking. Criminals can spoof signals from your phone or key fob to unlock the car and then start it. A key fob, which is tiny hardware token that is programmable, provides one-factor authentication on the device to allow access to physical objects like an automobile, computer system and restricted areas, or mobile device. The fob transmits wireless signals to the sensor that recognizes and executes predetermined commands. In a lot of cases the key fob may also be used as a security token. It can support two-factor or multiple-factor authentication (2FA and MFA) to provide added security. This is typically done by adding biometric verification to the equation. For instance, a fingerprint or iris scan, or even a voice print could be used. Keyless proximity lock systems such as the Kwikset Kevo allow users to open their doors using a smartphone or a Bluetooth-enabled key fob, eliminating the requirement for a traditional key. These types of systems are popular among business owners because they make it easy for administrators to take on new employees and control access to users without having to change the locks or distribute key cards.