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What is a Smart Key Car Key?

Differently referred to 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 with each other using radiofrequency signals.

This helps to keep cars secure by not allowing hotwiring. smart car key reprogramming keys also transmit unique encrypted signals to stop them from being used by other vehicles owned by drivers.

Convenience

You can lock and unlock your vehicle without inserting the key into the ignition slot. Simply touch the handle of the door or trunk. Modern vehicles often have the ability to start your engine remotely. This is particularly helpful when you're bringing groceries in or transferring equipment and passengers.

This technology is designed to help prevent vehicle theft. Smart keys transmit encrypted signals instead of a single frequency similar to a traditional keyfob. This prevents other cars from receiving and responding to the same signal, explaining how Stuff Works Electronics.

Furthermore, some manufacturers use a computer chip in the vehicle to recognize the unique fingerprints of each key, which ensures that only authorized drivers use it. This is helpful when you loan your car to friends and family members.

Certain smart keys also save user preferences so that the seat, mirrors and steering wheel adjustments as along with stereo presets can be set automatically when the key is within reach of the vehicle. Some smart keys can also be programmed to stop the vehicle from exceeding a certain speed limit when you start the car with that key. This is a great way to protect new drivers and it's recommended for families with children in the back.

Security

Traditionally keys were cut from metal to unlock the ignition. Smart key technology eliminates this need. Smart keys have a specific chip which sends an electromagnetic signal from the antenna to your car. The vehicle recognizes this signal when the driver presses on the trunk release or door handle. This means it's not possible to lock your keys inside your car anymore.

The signal that the smart key sends to your car is encrypted, meaning that only the owner of the car can use it. In addition, most models will disable the engine if the car has not been started within the last few minutes. This feature is especially useful when you are in a hazardous area or have to leave your vehicle for any reason.

In addition, if the smart car key fob replacement key battery is depleted during a ride, a lot of systems have a backup method of opening and starting the vehicle. The backup method is to insert the key in a slot or holding it near a particular location in the cockpit, where energy is transferred to an electric motor. Certain manufacturers have a mechanical key blade that can be utilized in a situation of emergency to open the trunk or start the vehicle.

Battery Life

The majority of modern cars have keyless entry systems and push-button starters. These are controlled by a smart fob that communicates with your car using proximity technology. These systems use a tiny transmitter powered by a lithium coin-sized battery. It will eventually require to be replaced like any other battery.

The majority of smart key fob batteries last for a long time However, this doesn't mean that they won't lose power and stop working suddenly. If the fob is dead, you won't be able unlock or start your car even holding it close to the front door.

It's not unusual for the transmitter inside the smart key to drain the battery. The smart key will send a signal every time you press the button. However, the majority of the times, it doesn't do anything. One single lock/unlock button takes only a tiny amount of the fob's battery and that's several years worth of signals worth of battery life left in the average smart key battery.

The fob also drains the battery if it is placed in proximity to other devices that emit electromagnetic fields such as phones and computers. These devices generate their own magnetic fields, which can affect the fob's transmitter, causing it to operate more slowly. In certain cases, the fob may even be unable to function if the fob is left too close to these devices, according to RepairPal.

Maintenance

Contrary to the traditional metal car key, a smart key utilizes technology to control the locks on your vehicle and perform other functions. It functions by sending an indication from the fob to antennas in and outside the vehicle. These antennas sense the signal and communicate with your car's computer. The car responds to the signal and allows you to open or start it without the physical key.

New cars are packed with advanced electronic features and the fob is now the hub for many of these functions. The most obvious functions are locking and unlocking your vehicle, remote starting and chirping noises to assist you in finding your car in a parking space. Certain fobs let you store different settings for various drivers, and remotely open windows and even the sunroof.

The fob itself is a complex device that includes an integrated circuit board and it is prone to being damaged by hard use or exposure to heat or cold. The transmitter could be damaged if it is dropped or banged or smashed. The battery contacts can also become bent.

These issues can be difficult to identify and solve. You can try using your phone to solve the problem 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 smart key for most OEM smart keys that cost up 70 percent less and comes with a three-year better-than-OEM guarantee.