What Do You Think? Heck Is Smart Car Key?
Smart Keys For Cars
Smart keys are wireless remotes that unlock doors and pop the trunk without the need for a traditional mechanical blade. It is also able to start the car without turning the key.
The majority of smart keys have indicators for the battery that alert you to an empty battery ahead of time. It's simple to replace the battery without any special tools.
Convenience
Smart keys are designed to unlock doors and trunks, turn on the car engine and turn on the ignition without needing to use a traditional key. They also have features that are designed to deter burglaries and theft of vehicles, such as panic buttons, which makes noise to scare away possible thieves or suspicious individuals in areas that are isolated like underground garages with parking.
Key fobs accomplish all these things by sending a radio signal between the car and the key fob, using a low-power wireless technology. This is a great feature for drivers on the go who don't have a lot of time.
Smart keys generally look more like plastic cards than actual keys. They can be used to open the trunk or doors when the button is pressed on the fob. Some smart keys have an electronic touchscreen that allows drivers to control their vehicle's setting, including climate and audio.
The RFID signal sent between a key fob and the vehicle is unique, secure and connected to the computer in the car this makes it virtually impossible for tech-savvy thieves to wire a stolen vehicle equipped with one. These fobs can also be programmed to send a new frequency signal every time they're used, meaning the computer onboard won't recognize an old signal as the "true" signal.
Security
A lot of people are hesitant to adopt digital keys as they are concerned about security. While having a physical key fob on hand may feel safer the digital keys are more secure than many think. They're secure, and the signal they send to a vehicle is verified by a special onboard computer. The car won't begin when the smart key fob is stolen.
Smart keys unlike traditional key fobs work by using the built-in antennas of your car to communicate with it and perform tasks like unlocking or starting your vehicle. This allows you to access your vehicle without having to insert keys that are physically placed in the ignition or lock which can be a hassle.
Most systems provide an alternative method to start and open your vehicle if you lose your smartkey or battery fails. Emergency starting is achieved by inserting the key into a slot, or holding it close to a specific area of the cockpit, where an inductive coil is able to transfer energy.
Additionally, the majority of smart keys have a low battery indicator that will alert you before it is completely dead. If necessary, you are able to easily replace the batteries on your own.
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Instead of a physical car key smart keys make use of radio waves to unlock and lock the vehicle. The smart key can also remotely start the engine and track your vehicle's location in case you forget where you parked it.
Some smart keys can be programmed to automatically adjust the interior and exterior of the vehicle according to the key that is detected. The car will automatically adjust seat position, mirror settings and the temperature control based on the type of key used. This is beneficial if you are looking to restrict certain features or have multiple drivers.
Smart keys also have the advantage of using encryption to prevent theft. This isn't possible with traditional keys. This technology makes it difficult for thieves who are tech-savvy to gain access to a vehicle by replicating a valid frequency signal, according to How Stuff Works Electronics. Smart keys transmit a distinct, encrypted message every time the vehicle's remote is unlocked.
Just like any other battery-powered device, a smart key's battery will eventually run out of juice. The majority of systems have an emergency system that allows you to open the car and then start it if the battery is not able to function. The emergency procedure varies and usually involves keeping the key within the range of the lock sensor or pressing the button on the key that triggers the emergency starter.
Battery backup
Modern smart keys are also identified by the terms keyless entry systems as well as passive entry. They use a transmitter to unlock your vehicle. The transmitter is inside the key fob that you carry around, and the receivers can be found both inside and outside your car. The receivers pick up the radio frequency signal transmitted by your smart key when you come close to the vehicle and activate the doors and ignition.
This system has many advantages, such as not having to look in the dark to find keys, but it is susceptible to certain types of attacks. How Stuff Works Electronics reports that if the battery of your key dies or is lost an attacker could detect its low frequency transmission signal, and open your vehicle. This is the reason why many smart keys are equipped with encrypted signals to ensure that hacking is difficult.
However, these systems can also be impacted due to electromagnetic fields generated by computers, cell phones and other devices. Therefore, if you notice that your smart key fob is not functioning correctly, it could be caused by an interference issue. In this instance, you should not put your key in proximity to any device until the battery on the key has been replaced. Fortunately, most smart keys will notify you in advance when their batteries are drained and the procedure to replace them is relatively simple.