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smart car key programmer let drivers unlock their vehicles and start their engines by pressing the button. They are expensive and dealers will only help you when they're lost or stolen. Locksmiths such as Pop-A-Lock are able to duplicate and program virtually every smart key. This can save you money when you buy from a dealer. Here's why it's vital to always carry a spare. Improved Security and Safety Instead of traditional groove cut keys, which must be in the ignition to function smart key fobs are able to open your doors or even start the engine with the touch of a button. They also have extra built-in features that make them a lot more useful. Smart car keys offer greater security and safety. Smart keys usually use rolling security codes that generate the correct code each time they send out a signal. This makes them much more difficult for hackers with the right skills to hack. They also tend to be more secure than standard remotes as they don't broadcast any single frequency that is easily detected by anyone within range the company claims. Open Road Auto Group. Additionally, smart key systems usually have a backup feature that lets drivers open and start their cars even without the fob. This is helpful in the event that keys are thrown in the ignition when you park in an unsafe place or, in a hurry, you forget to lock the door. If you do accidently lose your smart keys it is recommended that you visit your local dealership or a locksmith to get help. Most dealers have replacements for specific models and makes. If yours isn't available, the dealer will have order a replacement from the manufacturer. If you can locate the best locksmith to replace it, they'll usually do so quickly and for a lesser cost than the dealer. Easy Unlocking Most smart keys are able to unlock doors, turn on a car's ignition, and perform other functions without drivers having to press the key fob's buttons. The key fob's sensors are used to send a radio signal whenever the car is within the range. The signal is verified by one of the antennas located on the car's bodywork or inside the cabin. Certain key features of the car can be adapted to suit the model and the make of the vehicle. You can adjust the seat position or the position of the steering wheel mirror settings and climate control (e.g. temperature) settings or stereo presets, and more. For instance, Mercedes-Benz has a system called Keyless Go that lets drivers keep the key fob in their pocket while allowing them to open their trunks and start the engine. Smart keys are encrypted devices which make them hard to hack. Nevertheless, there are still security concerns with them. Some drivers are known to leave their smart keys in the ignition, or in the vicinity of a car that is not being watched. This could result in theft of the vehicle by someone else as reported by How Stuff Works Electronics. If you lose your smart key, it's crucial to call a locksmith in your area to replace and reprogram the system. Locksmiths can accomplish this quicker than dealerships and can save you costly fees. Locksmiths can use their computer to connect to the onboard system of the vehicle to reconnect it to the new key. Saves You Money Smart keys are more complex and require the help of dealers. A traditional car key is normally duplicated by a locksmith. This means that you'll have to pay more in the event that you lose it or require it to be replaced. Your homeowners or auto insurance might be able to cover the cost of replacing your lost smart keys, when it was lost due to a covered peril such as a car crash. Just check your policy's specific coverage details. Smart keys come with additional security features you won't see on traditional keys made of metal. If the key fob is too far from your vehicle it will lock and shut off the ignition to prevent anyone else from starting your car and driving away. Another security feature is that the smart key only transmits a low-frequency signal to your car. Since other key fobs don't use the same frequency, the stolen key won't allow you to unlock other cars. While technology is on its way of eliminating the necessity of car keys altogether It's still important to have spare keys in case they are lost or stolen. You'll quickly accrue a huge bill for a replacement smart key, so you should invest in motor insurance to cover the cost. Savings on Time Smart keys do not suffer from this problem. Unlike traditional keys, they don't require slots that could become stuck or snap off. They communicate with the car through integrated antennas that allow the car to open or shut it down when the key is within range. This technology can also help you save time as it eliminates the need to play with the key and the possibility of locking yourself out in an area that is prone to danger. Instead, drivers can simply press the lock button on the key fob, and the car will respond by unlocking or re-starting. In addition the smart key also has the ability to send different frequency signals to the vehicle, making it difficult for a different duplicate of the same fob to open or start your vehicle. This feature is especially beneficial for those who share their cars with other people, such as colleagues and friends. Smart keys also come with a backup battery, which can save you the hassle of calling a locksmith when the battery has run out. Some of them also come with indicators for the battery that inform you when the keys are nearing its expiration date. It is easy to replace the battery without special tools. This is a much-needed feature that can save your time, money, and stress.