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What is a Smart Key Car Key?

Variously known as proximity keys also known as key fobs, keys or remote keys, smart keys are used to unlock doors and start engines without the driver having to insert the key. They communicate with one another through radiofrequency signals.

This helps keep vehicles safe by not allowing hotwiring. Smart keys also transmit unique encrypted signals to block them from being used by other drivers' vehicles.

Convenience

You can lock and unlock your vehicle without needing to insert the key into the ignition slot. Simply touch the handle of the door or trunk. Modern cars often come with a feature that allows you to start your car remotely. This is particularly helpful for those who are bringing groceries into the vehicle or transporting passengers and equipment.

This technology is designed to to prevent theft of vehicles. Instead of sending a single frequency signal similar to a normal key fob does it sends out an array of encrypted signals to a car's embedded antennas as you walk towards it. How Stuff Works Electronics explains that this prevents other cars receiving and responding to the same signal.

Additionally, some manufacturers incorporate a computer chip into the vehicle that can recognize the unique fingerprint of each key, which helps ensure that only authorized drivers are using it. This is useful for when you loan your car to family members and friends.

Some smart keys can also store user settings so that mirrors, seat, and steering wheel adjustments as and stereo presets can be set automatically when the key is within the range of the vehicle. For added convenience, some smart keys can be programmed to stop the car from exceeding a certain speed limit when started using that specific key. This is a great method to ensure the safety of new drivers, and it's also a good idea when you have children in the back.

Security

Traditionally keys for cars have been made from metal and used to unlock the ignition. With the advent of smart car keys replacement key technology, this is no longer required. Smart keys have a special chip that sends a signal from the antenna to your car. This signal is then recognized by the vehicle when the driver presses on the door handle or trunk release. This means that it's not possible to lock your keys into your car any longer.

The signal that the smart key sends to your car is encrypted, meaning that only the owner of the car can use it. The majority of models also shut off the engine if it isn't started for some time. This is especially helpful when you are in a hazardous area or have to leave your vehicle for any reason.

Furthermore, if the smart car key supplier key battery fails during a journey, many systems offer a backup method to open and start the vehicle. The backup system usually involves placing the key in the slot or placing 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 used in an emergency situation to open the trunk or to start the vehicle.

Battery Life

The majority of newer cars have keyless entry systems and push-button starters. They are controlled by a smart key fob that communicates with the car via proximity technology. These systems are powered by a tiny transmitter which is powered by a lithium coin-sized battery. As with all batteries, it eventually needs replacement.

The majority of smart car keys replacement batteries for key fobs last for a while however, it doesn't mean they won't go out of power and stop working suddenly. If the fob is dead, you won't be able to lock or start your car, even if you put it close to the front door and the key fob's light flashes.

It is not unusual for the transmitter of a smart key drain the battery. It transmits a signal to the car each time you touch the button, but most of the time the smart key isn't doing anything. One single lock/unlock button takes only a tiny amount of the battery power of the fob, so there is easily many years of signals' worth of battery life left in the average smart key battery.

The fob may also drain the battery when it is located near other devices which emit electromagnetic fields, such as computers and phones. These gadgets produce their own magnetic fields, which can interfere with the fob's own transmitter, causing it to operate more slowly. RepairPal reports that the fob could be inoperable if placed too close to the gadgets.

Maintenance

Smart keys differ from traditional keys in that they use technology to control the locks on your vehicle as well as perform other functions. It works by transmitting an electronic signal from the fob to antennas within and outside the vehicle. These antennas detect the signal and then communicate with the computer in your car. The car interprets the signal allowing you to start or open the door without a physical key.

The fob is now a hub of numerous electronic features on new automobiles. The most obvious are locking and unlocking, remote starting, and chirping sounds that assist you in finding your car in a parking space. Some fobs allow you to store different settings for different drivers, and even remotely open windows and the sunroof.

The transmitter itself is a specialized device that has an integrated circuit board and it is prone to being damaged by hard use or exposure to cold or heat. The transmitter could be damaged if damaged by being dropped or smashed. The battery contacts may become bent.

These problems can be hard to determine and fix. You can try using your phone to avoid the issue and see if it works however, it's always a good idea to keep a backup key in your pocket just in case. You can buy an alternative to the majority of OEM smart keys for up 70% less and is backed by a three-year higher-quality guarantee than OEM.