The 10 Scariest Things About Smart Car Key Fob Replacement

What Can a Smart Car Key Fob Do For You?

Mercedes introduced the first fobs in the year 1998. They are also referred to as smart keys, keyless entry or keyless entry fobs. Key fobs that are computer controlled can perform a variety of functions, including locking and unlocking a car as well as launching it.

They transmit an encrypted and rolling message. This makes them more resistant to cyber-savvy thieves.

Safety

A smart key fob is constantly communicating with a vehicle using radiofrequency waves. It transmits a low-power signal that, when pressed instructs the car to open doors and begin its engine. The car is programmed to recognize the unique encryption code of a particular key fob. This means that in the event that the keyfob is stolen, the car can't be started.

But a new type of hacking could permit thieves to take advantage of that communication. Relay attacks are carried out with devices that transmit at the same rate as key fobs. The thief could place one of these devices in a pocket or hiding spot to jam the lock command from a distance. How Stuff Works Electronics. This is a risk that could become more frequent as more people adopt smart keys.

Apart from these security options, a smart key fob can make life easier by automatically adjusting to the needs of your vehicle. A key fob linked to your smartphone, for instance can sense your presence and unlock the doors, meaning you do not have to hit the remote button. It could also detect that you are leaving the car and lock it, so you aren't tempted to forget to lock the doors. A lot of smart key fobs also have an indicator of the battery that tells you well in advance when the battery is running low. Most models allow you to replace the battery quickly and conveniently without the need for any special tools.

Convenience

Smart keys are not required to be physically inserted into an ignition slot to open or start the vehicle. Instead, the driver requires it to be on them and bring it within range of the vehicle, as described by the BMW Group. Some smart keys, including the Display Key, come with tiny LCD touchscreen that gives users access to features like locking, unlocking and keyless start directly from their key fob without the need to connect the Bluetooth system of the car.

Another way smart car key fob replacement keys can help save time for drivers is by automatizing the process of locking their car doors when they leave it. Consumer Reports says that this feature is available on a wide range of automobiles. It also makes it easier for drivers to maneuver around tight spots without accidentally pushing the door or something else.

Furthermore, smart car key replacement key systems do not typically transmit the same frequency signal over and over and this can make them more susceptible to relay attacks, explains Open Road Auto Group. So the vehicle that is stolen cannot be hotwired even if it's equipped with a smart key for smart car because the encrypted signal that the key fob transmits is unique to each vehicle. This technology makes it incredibly difficult for thieves to steal a vehicle.

Security

Modern cars have more advanced electronic features than ever before, and a few of them are found on the key fob. These devices do much more than lock and unlock doors, or make chirping noises to help drivers find their car in a parking area However, some owners may not be aware of all that smart key replacement cost key fobs can do.

For instance, certain smart keys can turn on windows that are automatically opened and sunroof once they are hit. One CR auto editor was able to walk into her Honda Accord to find the windows closed and the sunroof completely open. This is one of the reasons she was so grateful for her Smart Key, which locked the car automatically.

Some smart keys employ computer-encrypted signals to deter car thieves according to How Stuff Works. This technology blocks hotwiring where thieves steal the engine control module (ECM) which is usually located in the front of the engine block. The ECM regulates a variety of essential functions, including engine power and transmission control.

Smart keys also have anti-theft codes as well as a unique ID security code 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 put into the ignition. It is then checked by a sensor inside the car.

Maintenance

A smart car key fob does more than just unlock your door. It can remotely start your engine, trigger the brakes and suspension and even start your vehicle. It also provides details about your car, like fuel level and temperature of the oil.

Like all electronic equipment like a smart car key fob needs regular maintenance to ensure it functions correctly. Modern key fobs come with indicators for batteries that inform the driver when the battery is low. It is easy to replace the battery and you don't need special tools.

In certain instances, the smart key will stop working completely. If you suspect this to be the case, try to reset it by getting out of the vehicle and then coming back inside. This will allow the car smart key to detect that the key fob is inside the vehicle, and allow it to be used again.

Contact a locksmith if you have trouble getting your key fob to work. They can reprogram it so that your car recognizes it once more and allows you to use all of its functions. It's generally more economical to do this than buying an entirely new key fob and it could save you money in the long run. In some cases the locksmith may modify an existing fob to be used to make new keys. This could save you money in the end.