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What is a Smart Key Car Key? Smart keys are also referred to as proximity keys or key fobs. They work to unlock doors as well as start engines without needing to insert physical keys. They communicate via radiofrequency signals. In addition, it assists in keeping cars safe by stopping attempts to connect hotwires. Smart keys also transmit unique encrypted signals to stop them from being used by other vehicles owned by drivers. Convenience Instead of inserting the key into an ignition slot to lock and unlock your car by merely touching the handle of the door or trunk. Modern cars often have a feature which allows you to start your car remotely. This is especially useful if you're bringing in groceries or transporting equipment and passengers. This technology is intended to stop theft of vehicles. Smart keys transmit encrypted signals instead of a single frequency similar to a traditional keyfob. What does this mean? Stuff Works Electronics explains that this is a way to prevent other cars from receiving and responding to the same signal. Additionally, some manufacturers use a computer chip in the vehicle to identify the unique fingerprint of each key, which makes sure that only authorized drivers are using it. This can be beneficial in the event that you lend your car to friends and family members. Some smart keys also store user preferences, so that the seat, steering wheel mirror, seat, and stereo presets are automatically set when the key is in the range of the vehicle. For added convenience, some smart keys can be set to stop the car from exceeding a certain speed limit once it has been activated with a specific key. This is a great method to ensure that new drivers are safe and it's an excellent idea if you have children in the back of the vehicle. Security Traditionally keys were made from metal to unlock the ignition. Smart keys eliminate this requirement. Smart keys are equipped with a special chip that sends a signal to your car's antenna. This signal is acknowledged by the vehicle when the driver presses a button on the handle of the door or trunk release. It is now impossible to lock the keys in your vehicle. The signal that the smart key sends to your car is encrypted, meaning that only the owner of the car can use it. Most models also disable the engine when the car isn't started for just a few minutes. This feature is particularly helpful when you are in a hazardous area or have to leave your vehicle for any reason. There are many systems that also have an alternative system for opening and starting the car in case the battery of the smart key goes out while riding. The backup system typically consists of placing the key in the slot or putting it near a specific area of the cockpit. This transfers energy to an electric motor. Certain manufacturers offer a mechanical key blade that can be utilized in a situation of emergency to open the trunk or to start the vehicle. Battery Life The majority of newer cars have keyless entry systems and push-button starters. These are controlled by a smart fob that communicates with the car using proximity technology. These systems utilize a tiny transmitter, powered by a coin-sized lithium battery. It will eventually require to be replaced, just like any other battery. Even though smart key fobs are made to last for years They can be suddenly lost power. If the fob is dead, it won't be able unlock or start your car even if you hold it up close to the front door. It is not uncommon for the sensor of a smartkey to drain the battery. It sends a signal to your car each time you press an option, but the majority of the time, the smart key does nothing. One single lock/unlock button takes just a tiny portion of the battery power of the fob which means that there's several years ' worth of signals worth of battery life left in the average smart key battery. The fob can also drain the battery if placed near other devices that emit electromagnetic fields such as computers and phones. These devices emit magnetic fields of their own which can cause interference and slow down the fob's transmitter. RepairPal states that the fob can be inoperable if placed too close to the gadgets. Maintenance Unlike the traditional metal car key, a smart one uses technology to manage the locks on your vehicle as well as perform other functions. It works by transmitting a signal from the fob to antennas in and outside the vehicle. These antennas detect the signal and then communicate with your car's computer. The car interprets the signal and allows the user to open or start it without using a physical key. New vehicles are loaded with advanced electronic features and the fob has become the hub for many of these functions. The most obvious functions include locking and unlocking your car, remote starting and chirping noises to aid in locating your vehicle in a parking area. Some fobs allow you to save different settings for various drivers, and remotely open windows as well as the sunroof. The fob is a complex electronic device that includes an integrated board that could be damaged if it is used too hard or exposed to extreme cold or heat. The transmitter could be damaged if it is hit or dropped and the contacts on the battery can become bent. car smart key can be difficult to determine and resolve. You could try using your phone to avoid the problem and see if it works however it's a good idea to keep a spare key in your pocket, just in case. You can buy an ordinary smart key replacement for up to 70 percent less than OEM keys and comes with a 3 year warranty.