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What Can a Smart Car Key Fob Do For You?

They are also known as fobs, keysless entry or smart car replacement key keys, they were first introduced by Mercedes in 1998. Key fobs that are controlled by computers perform many tasks, including locking and unlocking vehicles and even starting it.

They transmit an encrypted, rolling message. This makes them more secure to tech-savvy thieves.

Safety

A smart key fob constantly communicates with vehicles by radiofrequency waves. It sends a low-power signal that, when pressed, signals the car to unlock doors and start its engine. The car recognizes the encrypted code of a particular key fob. This means that if the key fob is stolen, the car is unable to be started.

However, a new kind of hacking could enable thieves to gain access to that communication. Relay attacks are based on devices that transmit at the same frequency as the key fob. How Stuff Works Electronics says that a burglar could slip one of these devices into the pocket or hidden area to block the remote lock command. This is a risk that could become more frequent, as more drivers change to smart key for car keys.

A smart car spare key key fob is not only a security feature but can also make your life easier by automatically taking care of the requirements of your vehicle. A key fob linked to your smartphone, for example can sense your presence and allow you to unlock the doors so you don't have to press a remote button. It also can detect that you're leaving the car and close it, so you will not forget to lock the doors. A majority of smart car key programming key fobs have an indicator for the battery that warns you when the battery is depleted. Most models allow you to replace the battery quickly and easily without any tools or equipment required.

Convenience

Smart keys do not have to be physically inserted in an ignition slot to unlock or start the vehicle. BMW Group explains that the driver just needs to bring the key within the range of the car. Certain smart keys, like the Display Key, have small LCD touchscreen that gives users to access features like locking, unlocking and keyless starting directly from their key fob, without the need to connect the Bluetooth system in the car.

Smart keys can also help drivers save time by automating the locking of their doors when they leave. Consumer Reports says that this feature is present on a variety of automobiles. It can also make it easier for drivers to maneuver around tight spots without accidentally squeezing the door or something else.

Open Road Auto Group explains that smart key systems don't transmit the same frequency signal over and over which can make them more susceptible to relay attacks. Smart keys are specific to each vehicle, which means that a stolen car can't be wired. This makes it very difficult for thieves steal a car.

Security

Modern cars have more high-tech electronic features than ever before, and a few of those are located on the key fob. These gadgets do much more than just unlock and lock doors, or make chirping sounds that help drivers find their vehicle in a parking lot, but some owners may not be aware of everything that these smart key fobs are able to do.

Certain keys, such as instance, can trigger the auto windows and sunroofs of a vehicle when the key is pressed. One CR auto smart key Replacement editor went into her Honda Accord to find the windows closed and the sunroof fully open. She was grateful for her Smart Key that automatically locked the car.

Some smart keys use computer-encrypted signals to deter car thieves according to How Stuff Works. This technology blocks hotwiring, which thieves steal a vehicle's engine controller module (ECM) which is usually located at the front of the engine. The ECM regulates a variety of vital functions including engine power, transmission control and other functions.

Smart keys also include anti-theft codes and a unique ID security code that is assigned to each key. This could disable the ignition when the wrong key is used. The security ID is a unique code that is sent from the ECM to the key when it's inserted in the ignition, and is confirmed by a device inside the car.

Maintenance

A smart car key fob can do much more than unlock your door. It can start your engine, and also activate suspension and brakes remotely. It also can provide details about your car, including fuel level and temperature of the oil.

Like any piece of electronic equipment like a smart car key fob requires regular maintenance to function effectively. Modern key fobs include indicators for batteries that notify the driver when it's time to replace the battery. Replacing the battery is a simple process, and no specialized tools are required.

In some cases, the smart key will cease to function completely. If you suspect this is the issue, try to reset the smart key after leaving the vehicle and coming back inside. This will allow the car to detect that the key fob is still inside the vehicle, and allow it to regain its functionality.

Contact a locksmith if you are not able to get your key fob working. They can reprogram the fob in order that it can be recognized by your car and you can make use of all its features. It's typically more affordable to do this than buy a new key fob and it can save you money in the end. In some instances the locksmith may fix a fob that is already in use to be used to create a new key. This could save you more money in the long run.