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What Can a Smart Car Key Fob Do For You?

Mercedes introduced the first fobs in 1998. They are also known as smart keys, keyless entry or keyless entry fobs. These key fobs controlled by computers can accomplish a variety of tasks, such as locking and unlocking a vehicle as well as launching it.

They function by sending a rolling encrypted message. This makes them more secure to cyber-savvy thieves.

Safety

A smart key fob communicates constantly with a vehicle via radiofrequency waves. It sends a low-power signal that, upon pressing the button, instructs the vehicle to unlock doors and start the engine. The car is programmed to recognize the unique encrypted code of a specific key fob. This means that even when the key fob has been stolen, it won't be used to start the car.

But a new type of hack can allow thieves to exploit that communication. Relay attacks employ devices that transmit on the exact frequency as the key fob. How Stuff Works Electronics says that a thief could place one of these devices in pockets or in a hidden place to stop the lock command remotely. This issue is likely to become more prevalent as more motorists switch to smart keys.

A smart roadster key programming key fob is not only a security tool, but it can also make your life easier by automatically taking care of the needs of your vehicle. For instance a key fob linked to your smartphone can detect your presence and open the doors, meaning that you don't have to hit the remote button. It can also tell the moment you leave and automatically lock the vehicle, so you don't need to worry about not locking the doors. Many smart key fobs include an indicator of the battery that tells you in advance that the battery is at a low level. The replacement of the battery in most models is a quick, simple process that doesn't require any special tools.

Convenience

Smart keys do not have to be physically placed in an ignition slot to unlock or start the vehicle. Instead, the driver requires it to be in their possession and bring it within range of the vehicle, as explained by the BMW Group. Certain smart keys, such as the Display key for smart car, have small LCD touchscreen that grants drivers access to features such as locking, unlocking and keyless starting directly from their key fob, without the need to connect the Bluetooth system of the car.

A smart key can also save drivers time by automating the locking of their doors when they leave. This feature is available in a variety of automobiles, according to Consumer Reports, and can assist in allowing drivers to maneuver into tight parking spots without causing injury to something or someone else.

Furthermore, smart key systems generally do not transmit the same frequency signal repeatedly which could make them more vulnerable to relay attacks, explains Open Road Auto Group. In this way the vehicle that is stolen cannot be wired hot if it's equipped with a smart car replacement key key because the encrypted signal that the key fob transmits is unique to each vehicle. This technology makes it difficult for thieves steal the car.

Security

Some of the high-tech electronic features in today's modern automobiles are contained in the key fob. These gadgets are capable of much more than simply locking and unlocking doors, or making chirping sounds to help motorists locate their car in parking areas. However, some owners may be unaware of the full capabilities.

For instance, certain smart keys are able to activate a vehicle's automatic windows and sunroof when activated. One auto editor at CR was able to walk into her Honda Accord to find the windows completely shut and the sunroof completely open. This was 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 smart key replacement thieves according to How Stuff Works. This technology is able to prevent hotwiring which is when thieves steal the vehicle's engine control module (ECM) that is usually located on the front of the engine block. The ECM manages many essential functions including engine power, transmission control, and many more.

Smart keys also come with anti-theft codes, as well as an unique security ID code assigned to each key. This can disable ignition when the wrong key is used. The security ID is a special 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 can do much more than unlock your door. It can start your engine and operate suspension and brakes remotely. It also provides information about your car like the level of fuel and the temperature of your oil.

Like any piece of electronic equipment smart car key fob needs regular maintenance to operate properly. The majority of modern key fobs have indicators for batteries that inform the driver when the battery is running low. Replacing the battery is a simple process, and no specialized tools are required.

In some cases however the smart key could stop working completely. If you suspect this to be the case, attempt to reset it by getting out of the vehicle and then returning inside. This will allow the car to recognize that the key fob is inside the vehicle, cut and allow it regain functionality.

Contact a locksmith if cannot get your key fob working. They can reprogram it so that your car recognizes it and allows you to utilize all of its functions. It's generally cheaper to do this than buy a new key fob and it could save you money in the end. In certain instances, the locksmith can repair an existing key fob in order to be able to exchange it as a replacement. This can save you money in the end.