"The Ultimate Cheat Sheet" For Smart Car Key > 고객센터

Smart Keys For Cars

smart fortwo key programming keys are wireless remotes that unlock doors and pop the trunk without the necessity of a traditional mechanical blade. It also lets you start the vehicle without having to turn the key.

The majority of smart keys have indicators for the battery that notify you of a low charge well ahead of time. It's easy to replace the battery without special tools.

Convenience

Smart keys can unlock doors, trunks and turn on the engine of the car without the need to use a metal key. They also have features specifically designed to stop burglaries and vehicle thefts, such as the panic button, which makes noise to scare away possible thieves or suspicious individuals in areas that are isolated, such as underground garages with parking.

The key fobs perform all of these functions by sending an electronic signal between the car and the key fob using the low-power wireless technology. This is an excellent feature, particularly for drivers on the move who don't have a lot of time.

A smart key is typically designed to look more like a plastic card rather than a key, and it can be used to open the trunk or car's doors when a button on the fob is pushed. Some smart keys have touchscreens that allow drivers to control their car's settings, including climate and audio.

The RFID signal sent between the car and a key fob is unique, encoded and connected to the car's onboard computer. This makes it impossible for hackers with the right skills to connect a stolen vehicle equipped with the key fob. The fobs can also be programmed to transmit a different frequency signal every time they're used, so that the computer isn't able to recognize the old one as the genuine signal.

Security

A lot of people are hesitant to make the switch to digital car keys for the reason that they are concerned about security. While having a physical key fob to hand does feel more secure, it's important to understand that digital keys are also more secure than you might think. They're secure, and the signal that they transmit to a vehicle can be verified by a special onboard computer. This means that even if your smart key fob is stolen the car won't start.

Contrary to traditional key fobs smart keys use built-in antennas inside your car and the radio pulse generator inside the key fob. This allows it to communicate with your vehicle and perform basic functions such as unlocking and the start of it. This allows you to access your vehicle without needing to insert an actual key into the lock or ignition which can be difficult.

If you lose your smart key for car key or if its battery goes out, most systems offer an alternative method to open and start your vehicle. Emergency starting can be accomplished by placing the key into a slot or holding it close to an part of the cockpit where an inductive coil can transfer energy.

The majority of smart keys have a low-battery indicator, which warns you before the device is dead. You can replace the battery yourself when you need to.

Auto-adjusting settings

Instead of using a physical key, the smart key uses radio waves to unlock and lock the car. They also allow you to remotely start your engine and track the location of the vehicle in case you lose track of where it's located.

Certain smart keys can be programmed to automatically adjust the interior and exterior of the vehicle depending on the key you've detected. For example, the car can recognize the type of key you're using and automatically adjust the seat position, mirror settings and the climate control. This is useful if you have multiple drivers or want to limit certain features when you lend your car to a novice driver.

Another benefit of smart keys is the fact that they use encryption to stop theft, which isn't a possibility with traditional keys. This makes it very difficult for tech-savvy thieves to gain access to a vehicle by imitating a valid frequency signal, according to How Stuff Works Electronics. Smart keys send a unique encrypted signal each time the vehicle is locked or remotely opened.

The battery of a smart key will eventually run out like any other battery-operated device. Most systems come with backup systems to unlock the car and then start it in case the battery fails. The emergency method varies in the majority of cases, but it involves holding the keys within the range of the car's lock sensor or pressing the button on the key that triggers the emergency starter.

Battery backup

Modern smart keys, sometimes referred to as keyless entry systems or passive entry use a transmitter and receiver to unlock your vehicle. The transmitter is inside the key fob that you carry around, and the receivers are found in and around your vehicle. The receivers pick up the radio frequency signal that is sent by your smart key when you enter the vehicle and activate the ignition and doors.

While this system comes with many advantages, such as not having to fumble in the dark to find the key, it can be vulnerable to certain types of attacks. How Stuff Works Electronics reports that if your key's battery goes out or is damaged an attacker could detect its low frequency transmission signal and then open your vehicle. This is why most smart car keys replacement keys feature encrypted signals that make hacking difficult.

However, these systems can be affected due to electromagnetic fields generated by computers, cell phones and other devices, so if you notice that your smart key fob is not working properly, it may be due to interference issues. In this scenario you should not place your key in proximity to such devices until the battery in the fob has been replaced. The majority of smart keys will notify you when their batteries are empty and the process of replacing them is quite simple.