What Can a Smart Car Key Fob Do For You?

Mercedes introduced the first fobs in 1998. They are also referred to as smart keys, keyless entry, or keyless entry fobs. Key fobs that are controlled by computers perform a variety of functions, including locking and unlocking cars and even starting it.

They function by sending a rolling encrypted message. They are protected from thieves who are tech-savvy.

Safety

A smart key fob that communicates continuously with a vehicle through radiofrequency waves. It sends out a low-power signal that, when pressed instructs the car to open doors and start the engine. The car is programmed to recognize the unique encrypted code of a particular key fob. This means that even if the key fob is stolen, it cannot be used to start the car.

But a brand new type of hacking can allow thieves to exploit that communication. Relay attacks are carried out using devices that transmit at the same rate as key fobs. How Stuff Works Electronics says that a burglar could slip one of these devices in a pocket or hidden spot to stop the lock command remotely. It's a problem that is likely to become more prevalent as more people switch to smart keys.

In addition to these security features, the smart key fob can simplify your life by automatically attending to the needs of your vehicle. A key fob connected to your smartphone, for example can detect your presence and unlock the doors, so you do not have to hit the remote button. It can also tell when you're leaving and auto-lock the car, meaning you don't have worry about forgetting to lock the doors. A lot of smart key fobs come with a battery indicator that warns you ahead of time if the battery is low. The majority of models let you replace the battery quickly and easily, without any special tools.

Convenience

As opposed to a traditional metal key smart car key replacement cost keys do NOT require physical insertion into the ignition slot to unlock or start the vehicle. BMW Group explains that the driver only needs to bring the key within range of the car. Some smart keys, like the Display Key, come with a small LCD touchscreen that grants users access to features such as locking, unlocking and keyless starting directly from their key fob, without having to connect to the Bluetooth system of the car.

Another way a smart key can help drivers save time is by automating the process of locking their doors when they leave it. Consumer Reports says that this feature is present on a variety of vehicles. It also makes it easier for drivers to maneuver around tight spots without accidentally squeezing someone or something.

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

Security

Today's newer cars pack in the most advanced electronic features ever before, and many of them are housed inside the key fob. These gadgets do much more than open and close doors, or make chirping noises to help drivers find their vehicle in a parking lot, but some owners may not be aware of everything the things these smart forfour key replacement key fobs do.

For instance, some smart keys can turn on windows that automatically open and sunroof once they are press. A Auto editor of CR once walked out to her Honda Accord only to find all the windows closed and the sunroof opened. She was thankful for her Smart Key that automatically locked the car.

According to How Stuff Works, some smart fortwo key replacement keys utilize computer-encrypted signals to stop car thieves. This technology prevents hotwiring, in which thieves steal the engine control module (ECM), that is usually located in the front of the engine block. The ECM is responsible for a variety vital functions, including engine power and transmission control.

Other technologies used in smart Car key fob replacement keys include anti-theft code and a unique security ID assigned to each key, which could disable the ignition in the event that it's not the right one. The security ID is a code that is transmitted by the ECM from the key to the ignition, and then validated by a sensor inside the car.

Maintenance

Smart car key fobs do much more than unlock the door. It can start your engine, and also activate the suspension and brakes remotely. It also provides information about your vehicle such as fuel level and temperature of the oil.

Like all electronic equipment the smart car key fob needs regular maintenance to function correctly. Modern key fobs feature indicators for the batteries to inform the driver when it is time to replace the battery. It's easy to replace the battery and you don't need special tools.

In some instances the smart key may stop working completely. If you suspect that this is the cause attempt to reset the smart key by leaving the vehicle and then returning to it. This can help the car recognize that the fob is still present and allow it to regain functionality.

If you're unable to get your fob to work Contact a locksmith for assist. They can reprogram the fob in order that it can be recognized by your car and you can make use of all its features. This is typically cheaper than purchasing a new fob and could save you money over time. In some instances locksmiths can fix an existing fob to be used to create an entirely new key. This could save you money in the end.