What Can a Smart Car Key Fob Do For You?

Mercedes introduced the first fobs in the year 1998. They are also known as smart keys, keyless entry or keyless entry fobs. The fobs that are computer controlled are capable of performing a variety of functions, such as locking and unlocking the car or beginning it.

They function by sending an encrypted, rolling message. This helps protect them from tech-savvy thieves.

Safety

A smart car keys key fob continuously communicates with a vehicle, via radiofrequency waves. It sends out a low-power signal that, when pressed signals the car to unlock doors and start the engine. The car is programmed to recognize the unique encryption code of a particular key fob. This means that even when the key fob has been stolen, it won't be used to start the car.

However, a new kind of hacking can enable thieves to gain access to that communication. Relay attacks employ devices that transmit at the same frequency as the key fob. How Stuff Works Electronics says that a burglar could slip one of these gadgets into an unnoticed pocket or a hidden location to block the remote control of the lock. This issue will become more frequent as more people switch to smart keys.

Apart from these security options, a smart key fob can make life easier by automatically attending to the needs of your vehicle. For example the key fob linked to your smartphone can detect your presence and open the doors so that you don't have to hit the remote button. It can also sense that you are leaving the car and automatically lock it, so that you don't forget to lock your doors. A lot of smart key fobs include an indicator for batteries that informs you ahead of time if the battery is getting low. Most models allow you to replace the battery quickly and conveniently without the need for any special tools.

Convenience

Smart keys do not need to be physically placed in an ignition slot to open or start the car. BMW Group explains that the driver is only required to bring the key within range of the car. Some smart keys, including the Display Key, feature a small LCD touchscreen that grants users access to features such as locking, unlocking and keyless starting directly from their key fob, without needing to connect to the Bluetooth system of the car.

smart car key recoding keys can also save drivers time by automating the locking of their doors when they leave. Consumer Reports says that this feature is offered on a number of vehicles. It also makes it easier for drivers to maneuver around tight spots without accidentally pushing the door or something else.

Open Road Auto Group explains that smart keys for cars key systems do not transmit the same frequency signal over and over and this could make them more susceptible to relay attacks. Smart keys are specific to each vehicle, so a stolen vehicle can't be hotwired. This makes it extremely difficult for thieves to steal a car.

Security

Modern cars have the most advanced electronic features ever, and some of those are located on the key fob. These gadgets do much more than simply lock and unlock doors or make chirping noises to help drivers find their vehicle in a parking lot However, some drivers may not be aware of all that these smart car key case key fobs are able to do.

For example, some smart fortwo key programming keys are able to activate windows that automatically open and sunroof when press. One auto editor in CR walked into her Honda Accord to find the windows closed and the sunroof completely open. This was one of the reasons she was grateful for her Smart Key, which locked the car automatically.

According to How Stuff Works, some smart keys employ computer-encrypted signals to protect against car thieves. This technology blocks hotwiring, which thieves steal a vehicle's engine controller module (ECM) typically located in front of the engine. The ECM is responsible for a variety important functions, including transmission control and engine power.

Smart keys also come with anti-theft code and a unique ID security code that is assigned to each key. This can disable the ignition when the wrong key is used. The security ID is a special code that's transmitted from the ECM to the key when it's inserted into the ignition and then confirmed by a device inside the car.

Maintenance

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

Like all electronic equipment the smart car key fob needs regular maintenance to function properly. Modern key fobs have indicators for the battery that inform the driver that it is time to replace the battery. It's simple to replace the battery, and you don't need special tools.

In some cases, the smart key will cease to function completely. If you suspect this is the issue try resetting the smart key by leaving the vehicle, then returning inside. This will allow the car to know that the key fob is inside the vehicle, and allow it regain functionality.

Get in touch with a locksmith if have trouble getting your key fob to work. They can reprogram it so that the car recognizes it again and allows you to use all of its functions. This is usually cheaper than buying a new fob and could save you money over time. In some cases locksmiths are able to modify an existing fob to allow it to be used to make an entirely new key. This could save you money in the end.