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The Most Convincing Evidence That You Need Smart Car Key
Smart Keys For Cars

Smart keys are wireless remotes which allow you to open doors and pop the trunk without the requirement for a mechanical blade. It also lets you start your car without needing to turn a key.

The majority of smart phones have indicators for battery levels that warn you of an empty battery ahead of time. Replacing the battery is a fast and simple process that doesn't require any special tools.

Convenience

Smart keys are designed to unlock trunks and doors as well as turn on the vehicle's engine, and then turn off the ignition without the driver needing to utilize a traditional metal key. They also have features that are specifically designed to stop burglaries and vehicle thefts, such as panic buttons, which makes noise to scare away possible thieves or suspicious individuals in areas that are isolated, such as underground parking garages.

Key fobs can do all of these functions by sending an electronic signal between the car and the key fob via a low-power wireless technology. This is a wonderful feature, especially for drivers who are on the move and do not have much time.

Smart keys are usually more like plastic cards than actual keys. They can be used to unlock the trunk or doors when the button is pressed on the fob. Some of them even come with a built-in touchscreen that lets users to control certain settings of their vehicle, like the climate and the audio.

The RFID signal that is sent between the key fob and the car is unique, encrypted and linked to the computer onboard, making it almost impossible for thieves who are tech-savvy to hotwire a stolen vehicle equipped with one. These fobs can also be programmed to send a different frequency signal each time they're used to ensure that the computer doesn't recognize the old one as the authentic signal.

Security

Many people aren't keen to make the switch to digital car keys for the reason that they are worried about security. While having a physical key fob at hand might feel more secure but digital keys are more secure than people think. Digital keys are secure and the signal they send to a car is analyzed by an onboard computer. This means that even if your smart key fob is compromised the car will not start.

Contrary to traditional key fobs smart keys make use of built-in antennas inside your vehicle and a radio pulse generator within the key fob to communicate with your vehicle, and perform standard functions such as unlocking and the start of it. This system allows you access to your vehicle without having an actual key that you insert into the lock or ignition.

Most systems provide an alternative method to start and open your car if you lose your smartkey or if the battery dies. Emergency starting is achieved by inserting the key into a slot or holding it close to a specific space in the cockpit where an inductive coil could transfer energy.

Additionally, most smart keys have a low battery indicator that warns you well before it goes completely dead. You can replace the battery yourself when you need to.

Auto-adjusting settings

Instead of using the physical keys for your car, smart keys use radio waves to unlock and lock the car. The smart key can also remotely start the engine and track the location of your vehicle if you don't remember where you parked it.


Some smart keys have settings which automatically adjust the vehicle's exterior and interior based on which key is detected. For example, the car can recognize the key you're using, and adjust the seat position, mirror settings, and the climate control. This is helpful if you are looking to restrict certain features or have multiple drivers.

Another benefit of smart keys is that they utilize encryption to protect against theft, which isn't a possibility with traditional keys. This technology makes it extremely difficult for thieves who are tech-savvy to hijack a vehicle by imitating a valid frequency signal, according to How Stuff Works Electronics. Smart keys send a distinct encrypted signal each time the vehicle is unlocked or remotely opened.

Just like any battery-operated device the battery of a smart keys will eventually run out of juice. The majority of systems are built with a backup system to open and start the car in the event of a battery failure. The emergency procedure can differ however it typically involves holding the key within the range of the sensor for the lock on the car or pressing a key button which activates the emergency starter.

Battery backup

Modern smart keys are also identified by the terms keyless entry systems or passive entry. They make use of a transmitter to unlock your vehicle. The transmitter is embedded in the key fob that you carry around and the receivers are situated within your car and around the outside of it. When you drive by the vehicle the radio frequency signal from your smart key is picked up by the receivers and triggers the ignition and doors.

This system has many advantages, including not having to look in the dark to find keys, however it is vulnerable to certain types attacks. How Stuff Works Electronics reports that if the battery of your key fails or is stolen the person who has it could detect the low frequency transmission signal and then open your vehicle. This is why the majority of smart keys have encrypted signals that ensure that hacking is difficult.

However, these systems can also be interfered with due to electromagnetic fields generated by computers, cell phones and other devices. So if you find that your smart key fob is not functioning properly, it could be caused by an interference issue. In this scenario you should not place your keys near devices like these until the battery on the fob has been replaced. Fortunately, most smart keys will inform you ahead of time when their batteries are drained and the procedure to replace the batteries is quite easy.

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