The 10 Scariest Things About Smart Car Key Fob Replacement

What Can a Smart Car Key Fob Do For You?

They are also known as fobs, keysless entry or smart keys, they were introduced by Mercedes in 1998. The fobs that are computer controlled are capable of carrying out a variety of tasks, such as locking and unlocking the car, or starting it.

They work by transmitting an encrypted and rolling message. This makes them less vulnerable to hackers with a technological edge.

Safety

A smart key fob communicates constantly with the vehicle via radiofrequency waves. It sends out a low-power signal that, when pressed, signals the car to unlock doors and begin its engine. The car recognizes the encrypted code of a particular keyfob. This means that if a key fob is stolen, the car will not be started.

But a brand new type of hacking technique can permit thieves to take advantage of that communication. Relay attacks are carried out using devices that transmit at the same frequency as key fobs. How Stuff Works Electronics says that thieves can put one of these devices in the pocket or hidden area to block the lock command remotely. This is a risk that could become more frequent as more and more drivers are switching to smart keys.

In addition to these security features, the smart key fob can make life easier by automatically adjusting to your vehicle's needs. For instance the key fob linked to your smartphone can detect your presence and open the doors, meaning that you don't need to push the remote button. It can also sense when you're leaving and auto-lock the car, meaning you don't have worry about forgetting to lock the doors. Many smart key fobs have an indicator for the battery that alerts you ahead of time when the battery is getting low. Also, replacing the battery in most models is a quick and easy process that does not require any special tools.

Convenience

In contrast to a traditional key made of metal smart keys do not require physical inserting into the 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. Certain smart forfour key keys, like the Display Key, feature an incredibly small LCD touchscreen that allows drivers access to features like locking, unlocking and keyless start directly from their key fob without the need to connect the Bluetooth system in the car.

Another way smart keys could help save time for drivers is by automating the process of locking their doors when they leave it. This feature is offered in a variety of vehicles, as per Consumer Reports, and can help navigate through parking spaces that are tight without causing injury to something or anyone.

Smart key systems do not typically send the same frequency signal over and over in order to make them more susceptible to relay attacks, explains Open Road Auto Group. As such it is impossible for a stolen car to be hotwired if it is equipped with a smart key as the encrypted signal that the key fob transmits is unique to each vehicle. This technology makes it extremely difficult for thieves to steal a vehicle.

Security

Modern cars have more advanced electronic features than ever before, and many of them are contained inside the key fob. These gadgets are capable of more than locking and unlocking doors or making chirping sounds to help drivers locate their car in parking areas. However, some owners may be unaware of the full capabilities.

For example, some smart keys can trigger windows that automatically open and sunroof when activated. One auto editor from CR walked 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 for car near me Key, which locked the vehicle automatically.

According to How Stuff Works, some smart keys use computer encrypted signals to prevent car thieves from stealing. This technology prevents hotwiring, in which thieves take the engine control module (ECM) which is typically located on the front of the engine block. The ECM is responsible for a variety essential functions, including engine power and transmission control.

smart car key reprogramming keys also come with anti-theft codes as well as a unique ID security code that is assigned to each key. This could stop the ignition if the wrong key is used. The security ID is a specific code that's transmitted from the ECM to the key when it's inserted into the ignition and then confirmed by a sensor in the car.

Maintenance

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

Like any piece of electronic equipment the smart car key fob needs regular maintenance in order to function properly. Modern key fobs have indicators for the batteries to inform drivers 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 could stop working completely. If you suspect that's the case, try to reset it by getting out of the vehicle and returning to the vehicle. This will allow the car to detect that the key fob is still in the vehicle and allow it to function again.

If you are unable to get your fob to function get in touch with a locksmith for help. They can reprogram the fob to ensure that it is recognized by the car again and you can utilize all its features. This is usually cheaper than buying a brand new fob and could save you money over the course of time. In some cases, the locksmith can repair an existing key fob to be able use it as a replacement. This can save you money in the end.