• 목록
• 답변
• 글쓰기
• 게시판 리스트 옵션
  • 수정
  • 삭제

Smart Keys For Cars

A smart key is a wireless car remote that works without the traditional mechanical blade and can unlock the doors and open the trunk from the distance. It is also able to start the car without turning a key.

The majority of smart phones have indicators for battery levels that notify you of low battery levels ahead of time. It's easy to replace the battery with no special tools.

Convenience

Smart keys can unlock doors or trunks, and also turn on the engine of the car without the driver needing to use a key made of metal. They also have features that can deter burglaries and thefts, such as a panic key that emits noises to deter potential thieves in remote areas such as underground garages.

Key fobs accomplish all of these functions via radio transmissions between the car key fob and the car, using low-power wireless technology. This is a wonderful convenience, especially for drivers who are always in a hurry and don't have a lot of time to spare.

A smart key is typically made to look more like a plastic card than an actual key, and it can be used to open the trunk or doors of a car when a button on the fob is pressed. Some of them even come with an integrated touchscreen that allows users to control certain settings of their vehicle, including climate and audio.

The RFID signal that is sent between the key fob and the car is unique, encrypted and linked to the onboard computer, making it almost impossible for hackers with the latest technology to connect a stolen car equipped with one. These fobs can also be programmed to transmit a different frequency each time they're used so that the computer can't recognize the previous one as the genuine signal.

Security

A lot of people are hesitant to use digital keys for their car due to the fact that they are worried about security. While having a physical key fob on hand may feel safer, it's important to understand that digital keys are more secure than you might think. Digital keys are encrypted and the signal they send to a car can be verified by an onboard computer. This means that even if the smart key fob is stolen the car will not start.

Smart keys, unlike traditional key fobs, function by using the built-in antennas of your car to connect with it and perform standard functions such as unlocking and starting your vehicle. This system allows you to access your vehicle without needing to insert an actual key into the ignition or lock which can be a hassle.

If you lose your smart keys, or if its battery dies there is an alternative way to open and start your car. For instance emergency starting could be done by putting the key into the slot or keeping it in a particular spot in the cockpit, which is where an inductive coil that can transfer energy is hidden.

Additionally, the majority of smart keys have a low battery indicator that warns you before it completely dies. You can easily replace the battery yourself if needed.

Auto-adjusting settings

Instead of the physical keys for your car, smart fortwo key replacement keys use radio waves to unlock and lock the vehicle. They're also able to remotely start your engine and keep track of the location of your vehicle in case you're not sure where it's parked.

Certain smart forfour key replacement keys have settings that automatically adjust the car's exterior and interior based on the key you've chosen to use. For example the car can detect the key you're using, and adjust the seat position, mirror settings and climate control. This is beneficial if you need to limit certain features or have multiple drivers.

Another benefit of smart keys is that they utilize encryption to prevent theft, which isn't a possibility with traditional keys. This technology makes it very difficult for thieves with the latest technology to hijack a car by using a valid frequency as reported by How Stuff Works Electronics. Smart keys send a unique, encrypted message every time the vehicle's remote or unlocked.

Just like any other battery-powered device, a smart key's battery will eventually deplete its juice. Most of the systems are built with a backup system to unlock and start the car in the event of a battery failure. The emergency procedure varies, but usually involves either holding the keys within the range of the lock sensor or pressing a button on the key that triggers the emergency starter.

Battery backup

Modern smart keys are known by the names keyless entry systems and passive entry. They make use of an external transmitter to unlock your vehicle. The transmitter is incorporated into the key fob you carry around with you, and the receivers are placed within your vehicle and around the outside. When you drive by the vehicle, the radio frequency signal from your smart key is recognized by the receivers and activates the ignition and doors.

This system has many advantages, such as not having to search in the dark for keys, but it is susceptible to attacks of certain types. For instance, if the key's battery fails or it is lost, someone else could be able to pick up the low frequency transmission signals that are transmitted by your key and unlock your car, reports How Stuff Works Electronics. The majority of smart roadster key programming keys come with encrypted signals, making hacking more difficult.

However, these systems can be affected through electromagnetic fields created by computers, cell phones and other devices. If you notice that your smart key fob is not functioning as it should, it could be caused by an interference issue. In this case it is best not to place your key near any device until the fob's battery has been replaced. Fortunately, the majority of smart keys will notify you well in advance when their batteries are running low and the procedure for replacing them is relatively simple.