17 Reasons You Shouldn't Beware Of Smart Car Key Fob Replacement

17 Reasons You Shouldn't Beware Of Smart Car Key Fob Replacement

What Can a Smart Car Key Fob Do For You?

Known as fobs, keyless entry or smart keys, they were first introduced by Mercedes in 1998. They are computer-controlled and capable of performing various tasks including locking and unlocking the car or getting it started.

They function by sending an encrypted and rolling message. This protects them from thieves with advanced technology.

Safety

A smart key fob continuously communicates with the vehicle via radiofrequency waves. It sends a low-power signal that, when pressed tells the car to unlock doors and start its engine. The car is programmed to recognize the unique encryption code of a specific key fob. This means that if the keyfob is stolen, the car cannot start.

A new vulnerability allows thieves to take advantage of this type of communication. Relay attacks are based on devices that transmit on the same frequency as the key fob. A burglar can put one of these gadgets in a purse or hiding in a place to block the lock command from a distance, according to How Stuff Works Electronics. This is a risk which could become more frequent as more people change to smart keys.

A smart key fob is not only a security feature, but it can also simplify your life by automatically taking care of the needs of your vehicle. For instance an electronic key fob connected to your smartphone will detect your presence and then unlock the doors, meaning that you don't have to press the remote button. It can also sense when you're leaving and auto-lock the vehicle, so you don't have to worry about not locking the doors. Many smart key fobs include an indicator for batteries that informs you well in advance when the battery is getting low. The majority of models let you replace the battery quickly and easily, without any special tools.

Convenience

Smart keys do not have to be physically placed in an ignition slot to open or start the vehicle. Rather, the driver simply requires it to be in their possession and bring it within the range of the vehicle, as explained by the BMW Group. Certain smart keys, such as the Display Key, have tiny LCD touchscreen that gives 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.

A smart key can also save drivers time by automating the closing of their car doors after 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 spaces without accidentally crushing the door or something else.



Open Road Auto Group explains that smart key systems don't transmit the same frequency signal repeatedly in order to make them more vulnerable to relay attacks. Therefore, a stolen vehicle cannot be connected to a hotwire if 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

Some of the top-of-the-line electronic features in today's modern vehicles are found in the key fob. These devices do much more than open and close doors, or make chirping sounds that assist motorists in finding their vehicle in a parking lot however, some owners might not be aware of all that smart key fobs can do.

For example, some smart keys can activate windows that are automatically opened and sunroof once they are pressed. One auto editor in CR walked 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 Stuff Works.  G28  hotwiring which is when thieves steal the vehicle's engine control module (ECM), that is usually located in the front of the engine block. The ECM controls a variety of vital functions, such as transmission control and engine power.

Smart keys also include anti-theft codes as well as a unique ID security code assigned to each key. This could stop ignition if the wrong key is used. The security ID is a code that is transmitted by the ECM from the key to the ignition followed by verification by a sensor in the car.

Maintenance

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

Like any piece of electronic equipment the smart car key fob requires regular maintenance to operate correctly. Modern key fobs have indicators for batteries that notify the driver when it is time to replace the battery. Replacing the battery is a simple process, and no specialized tools are required.

In some instances, however, a smart key might stop working completely. If you suspect that this is the cause attempt to reset the smart key by leaving the vehicle and returning inside. This can help the car recognize that the fob is still in place and allow it to regain functionality.

If you're not able to get your fob to work call a locksmith help. They can reprogram it to ensure that your car recognizes it again and allows you to use all of its features. It's generally more economical to do this than buy a new key fob, and it can save you money in the long run. In some instances the locksmith may fix an existing fob in order to be used to create an entirely new key. This can help you save more money in the long run.