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What is a Smart Key Car Key?

Also known as keys that are in proximity also known as key fobs, keys or remote keys, smart keys work to unlock doors and start engines without the driver having to insert the key. They communicate by radiofrequency signals.

Apart from that, it assists in keeping cars safe by stopping attempts to hotwire. Smart keys broadcast unique encrypted signals that prevent access to other vehicles.

Convenience

Rather than having to insert keys into an ignition slot, you can lock and unlock your vehicle simply by touching the handle on the door or trunk. Modern cars often come with a feature that allows you to start your car from a distance. This is especially helpful when you're bringing groceries in 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 it sends out an array of encrypted signals to the car's embedded antennas as you approach it. How Stuff Works Electronics explains that this prevents other cars receiving and responding the same signal.

Certain manufacturers also have a computer-chip in the vehicle that detects the unique fingerprints of each key. This ensures that only authorized users are using it. This is helpful when you loan your car to friends and family members.

Some smart keys can save user settings, meaning that the seat, steering wheel mirror, seat, and stereo presets are automatically set when the key is within the range of the car. Some smart keys may also be programmed to stop the vehicle from going over the speed limit when started with that key. This is a great way to ensure the safety of New Car Key fob drivers and also recommended if you have children in the back.

Security

Traditionally keys for cars have been made from metal and used to unlock the ignition. With smart key technology, this is no longer the case. smart car key not working keys are equipped with a special chip that sends signals to your car's antenna. The car detects this signal when the driver presses on the trunk release or door handle. This means it's not possible to lock your keys into your car anymore.

The signal that the smart key sends to your car is encrypted, meaning that only the owner can use it. In addition, most models will shut off the engine if the vehicle is not started in the last few minutes. This feature is especially useful when you're in a risky area or you have to leave the vehicle for reasons of any kind, like at a petrol station.

Furthermore, if the smart key battery gets depleted during a trip, many systems have a backup method of opening and starting the vehicle. The backup system involves inserting the key into a slot or holding it close to a certain area in the cockpit which transfers energy to an electric motor. Some manufacturers also have an emergency mechanical key blade hidden in the key that can be used to open the trunk and begin the car if required.

Battery Life

The majority of modern cars have keyless entry systems as well as push-button starters. These are controlled by a smart fob which communicates with the car via proximity technology. These systems are powered by a tiny transmitter that is powered by a lithium coin-sized battery. Like any other battery it will eventually need replacement.

Even though smart key fobs are designed to last for many years, they can suddenly lose power. A dead key fob means that you are unable to unlock or start the car, even when you hold it close to the front door and the key fob's light flashes.

It is not uncommon to see the smart key's transmitter to drain the battery. It sends a signal to the car every time you push one button, however most times, the smart key is doing nothing. A single signal to lock or unlock takes only a fraction of the fob's battery and, therefore, there's several years ' worth of signals worth of battery life for the average smart car key not working key battery.

The fob also tends to drain the battery when you keep it close to other devices emitting electromagnetic fields, such as phones and computers. These gadgets emit their own magnetic fields which can interfere with and slow down the fob's transmitter. In certain cases the fob might cease to function completely in the event that the fob is too close to these devices, as per RepairPal.

Maintenance

smart car key coding keys differ from traditional metal keys in that they utilize technology to control the locks on your vehicle and perform other functions. It operates by sending a signal to the antennas situated inside and outside of your vehicle. These antennas are able to detect the fob's signals and communicate with the car's computer. The car interprets the signal and allows the user to open or start it without using the physical key.

The fob is now a hub of numerous electronic features on new smart car key vehicles. The most obvious features include locking and unlocking your vehicle, remote starting and chirping sounds to help you locate your car in a parking lot. Some fobs allow you to save various settings for various drivers, and remote-operated windows and the sunroof.

The fob itself is a sophisticated device that includes an integrated circuit board, and it is susceptible to damage through repeated use or exposure to cold or heat. The transmitter can be damaged if dropped or banged. The battery contacts can become bent.

These issues can be difficult to pinpoint and resolve. You could try using your phone to solve the issue and see if that helps however it's best to keep a spare key in your pocket, just in case. You can purchase a generic replacement for most OEM smart key market keys that cost up to 70% less and comes with a three-year more than OEM guarantee.