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Smart Keys For Cars

Smart keys are wireless remotes which allow you to open doors and open the trunk without the necessity of a traditional mechanical blade. It also lets you start your car without having to turn the key.

Most smart keys have battery indicators which alert you to an empty battery ahead of time. Replacing the battery is a fast and easy process that doesn't require any specialized tools.

Convenience

Smart keys are designed to unlock trunks and doors and trunks, turn on the car engine, and then turn off the ignition without needing to use a traditional key. They also have features designed to deter vehicle theft and break-ins, like the panic key which makes noises to scare off potential thieves in isolated areas like garages underground.

Key fobs can perform all of these functions via a radio transmission between the car key fob and the car, using low-power wireless technology. This is a great convenience, especially for those who are often in a hurry and don't have a lot of time to spare.

Smart keys are typically more like plastic cards than actual keys. They can be used to unlock the trunk or doors when a button is pressed on the fob. Some even come with an integrated touchscreen that allows drivers to manage certain settings on their vehicle, like audio and climate.

The RFID signal sent between a key fob and the car is unique, encrypted and linked to the computer in the car, making it almost impossible for tech-savvy thieves to connect a stolen car equipped with one. These fobs are also programmable to transmit a different frequency signal each time they're used to ensure that the computer doesn't recognize the old one as the real signal.

Security

Many people aren't keen to switch to digital keys for cars because they are worried about security. While having a physical key fob in your pocket may feel safer, digital keys are actually more secure than many think. They're encrypted and the signal that they send to a vehicle can be verified by a computer onboard. The vehicle won't be able to start if the smart fob is damaged.

smart keys for cars keys unlike traditional key fobs, work by using the built-in antennas of your vehicle to communicate with it, and perform functions like unlocking and launching your vehicle. This system allows you to access your vehicle without having to insert an actual key into the lock or ignition, which is often an issue.

Many systems offer an alternative method of opening and starting your car if you lose your smartkey or battery dies. For example emergency starting could be accomplished by putting the key for smart car into an opening or holding it near a specific area in the cockpit, where an inductive coil that can transfer energy is hidden.

Most smart keys also have a low battery indicator, which alerts you when the key is dead. If necessary, you are able to easily replace the batteries on your own.

Auto-adjusting settings

Instead of using a physical key rather than a physical key, the smart key uses radio waves to unlock and lock the vehicle. They also have the ability to remotely start your engine and track the location of the vehicle should you don't remember where it's parked.

Certain smart keys have settings that automatically adjust your vehicle's interior and exterior according to the key that is detected. For instance it can be detected the key you're using, and automatically adjust the seat position, mirror settings, and climate control. This is very useful if have multiple drivers or want to restrict certain features when lending your car to a new driver.

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 difficult for thieves who are tech-savvy to steal a vehicle by using the frequency of a valid signal, reports How Stuff Works Electronics. Smart keys transmit a unique, encrypted signal every time the vehicle is unlocked or remotely opened.

The battery of a smart car key fob key will eventually run out just like any other battery-powered device. Most systems come with a backup system to open the car and start it if the battery is not able to function. The emergency method is different however, it is usually holding the key in proximity to the sensor for the lock on the car or pressing a button that triggers the emergency starter.

Battery Backup

Modern smart keys are recognized by the names of keyless entry systems and Smart Keys For Cars passive entry. They make use of a transmitter to unlock your vehicle. The transmitter is inside the key fob that you carry around and the receivers are found in your vehicle and outside. The receivers detect the radio frequency signal that is sent by your smart key when you enter the vehicle and activate the doors and ignition.

While this system offers many advantages, such as not having to fumble in the dark to find keys, it could be vulnerable to certain kinds of attacks. How Stuff Works Electronics reports that if your key's battery goes out or is damaged, someone could pick up the low-frequency transmission signal and then open your vehicle. Most smart keys have encrypted signals, which makes hacking more difficult.

However, these systems can also be impacted through electromagnetic fields created by computers, cell phones and other devices, so if you find that your smart car key replacement 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 a device until the battery of the fob has been replaced. Many smart keys will notify you when their batteries are empty and the replacement procedure is relatively simple.