What Can a Smart Car Key Fob Do For You?

They are also known as fobs, keysless entry or smart keys, they were first introduced by Mercedes in 1998. They are computer-controlled and capable of carrying out a variety of tasks like locking and unlocking the car or getting it started.

They function by sending an encrypted and rolling message. They are protected from thieves with advanced technology.

Safety

A smart keys cars key fob communicates constantly with a vehicle via radiofrequency waves. It transmits a low power signal that, upon pressing the button, instructs the vehicle to open doors and start the engine. The car recognizes the unique encryption code from a specific key fob. This means that even if the key fob is stolen, it isn't used to start the car.

But a brand new type of hack can permit thieves to take advantage of that communication. Relay attacks are carried out using devices that transmit at the same rate as key fobs. How Stuff Works Electronics says that thieves could put one of these devices inside a pocket or hidden spot to stop the remote control of the lock. This is a problem that could become more frequent as more people switch over to smart keys.

Apart from these security options, smart key fobs can make life easier by automatically attending to your vehicle's needs. For example an electronic key for smart car fob connected to your smartphone can detect your presence and open the doors, meaning you don't need to push the remote button. It can also sense that you're leaving the car and then automatically lock it, so that you won't forget to lock the doors. Many smart key fobs also have a battery indicator that warns you ahead of time if the battery is getting low. And replacing the battery in most models is a straightforward, easy procedure that does not require any special tools.

Convenience

Smart keys do not need to be physically placed in an ignition slot to unlock or start the vehicle. BMW Group explains that the driver just needs to bring the key within range of the car. In fact, some smart keys, such as the Display Key, come with tiny LCD touchscreen in color that allows users to access features like locking, unlocking, and keyless start directly from their key fob without having to connect to the car's Bluetooth system.

Another way smart keys can help drivers save time is by automatizing the process of locking their doors when they leave it. Consumer Reports says that this feature is available on many automobiles. It also makes it easier for drivers to maneuver into tight spots without accidentally squeezing the door or something else.

Furthermore, smart 450 key programming key systems do not typically transmit the same frequency signal over and over which could make them more susceptible to relay attacks, explains Open Road Auto Group. Therefore it is impossible for a stolen car to be hotwired even if it's equipped with a smart-key because the encrypted signal that the key fob transmits is unique to each vehicle. This makes it extremely difficult for thieves to steal a car.

Security

Modern cars come with more advanced electronic features than ever, and some of them are found inside the key fob. These gadgets do much more than simply lock and unlock doors, or make chirping sounds that aid drivers in finding their car in a parking area, but some owners may not be aware of everything the things these smart key fobs are able to do.

For example, some smart keys can trigger windows that are automatically opened and sunroof if they are pressed. One CR auto editor was able to walk into her Honda Accord to find the windows completely shut and the sunroof wide open. She was thankful for her Smart Key that automatically locked the car.

Certain smart keys use encrypted computer signals to thwart car burglars According to How to unlock a smart car without a key Stuff Works. This technology blocks hotwiring in which thieves steal the vehicle's engine control unit (ECM), which is usually found on the front of the engine block. The ECM is responsible for many important functions including engine power, transmission control and more.

Other features of smart keys include anti-theft coding and an individual security ID assigned to each key, which can block the ignition if it's not the correct one. The security ID is a special code that is sent from the ECM to the key after it's placed into the ignition. It is then confirmed by a device inside the car.

Maintenance

Smart car key fobs can do more than just unlock the door. It can start your engine, and also activate the suspension and brakes remotely. It also gives you information about your vehicle, including fuel level and the temperature of your oil.

Like all electronic equipment, a smart car key fob requires regular maintenance to function effectively. The majority of modern key fobs have indicators for the battery that alert the driver when the battery is running low. Replacing the battery is a simple procedure, and no special tools are required.

In some instances, the smart key will cease to function completely. If you suspect this is the case, try to reset the smart key by leaving the vehicle and coming back inside. This will help the car recognize that the fob is in use and allow it to be functional again.

If you are unable to get your fob to function call a locksmith assist. They can reprogram the fob so that it can be recognized by your car and you are able to use all of its features. This is usually less expensive than purchasing a new fob and can save you money over the course of time. In some instances the locksmith may fix an existing fob to allow it to be used to create an entirely new key. This could save you more money in the end.