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What Can a Smart Car Key Fob Do For You?

They are also known as fobs, keysless entry or smart key repair keys, they were introduced by Mercedes in 1998. Key fobs that are computer controlled can perform a variety of functions, including locking and unlocking a vehicle and also starting it.

They transmit a rolling encrypted signal. This makes them more secure to thieves who are tech-savvy.

Safety

A smart key fob continuously communicates with a vehicle, using radiofrequency signals. It sends a low-power signal that, when pressed tells 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 in the event that the keyfob is stolen, the car cannot start.

A new hack allows thieves to exploit this method of communication. Relay attacks employ devices that transmit on the exact frequency as the key fob. How Stuff Works Electronics says that a burglar could slip one of these devices inside the pocket or hidden area to block the key fob's lock command remotely. This is a risk which could become more frequent as more people adopt smart keys.

Apart from these security features, the smart key fob can make life easier by automatically adjusting to the needs of your vehicle. For example, a key fob that's linked to your smartphone could detect your location and unlock the doors, meaning that you don't need to push the remote button. It can also sense that you are leaving the car and lock it, so that you don't forget to lock your doors. A majority of smart car Key Fob Replacement key fobs have a battery indicator which warns you when the battery is depleted. Most models allow you to replace the battery quickly and easily without any tools or equipment required.

Convenience

Smart keys do not need to be inserted physically into an ignition slot to unlock or start the car. Instead, the driver has to put it in their possession and be able to bring it within range of the vehicle, as explained by the BMW Group. In reality, some smart keys, such as the Display Key, feature small LCD touchscreen in color that allows drivers to access features like locking, unlocking, and keyless start directly from their key fob without having to connect to the car's Bluetooth system.

Another way smart keys can help save time for drivers is by automatizing the process of locking their doors when they leave it. This feature is offered in many vehicles, according to Consumer Reports, and can also make it easier to get into tight parking spaces without accidentally squeezing something or the person.

Open Road Auto Group explains that smart key systems do not transmit the same frequency signal in a series of which can make them more susceptible to relay attacks. As such the vehicle that is stolen cannot be hotwired even if it's equipped with a smart key since the encrypted signal that the key fob transmits is unique to each vehicle. This technology makes it difficult for thieves steal a car.

Security

Some of the latest electronic features in today's newer automobiles are included in the key fob. These devices can do much more than locking and unlocking doors or making chirping sounds to help drivers locate their vehicle in parking lots. However, some owners may be unaware of the full capabilities.

Certain keys that are smart, for instance, can trigger the auto windows and sunroofs of vehicles when pressed. A Auto editor of CR once walked out to her Honda Accord only to find all the windows closed and the sunroofs open. That's just one reason she was grateful for her Smart Key, which locked the vehicle automatically.

Some smart keys employ computer-encrypted signals to thwart car thieves according to How Stuff Works. This technology can prevent hotwiring in which thieves steal the engine controller module (ECM), usually located in front of the engine. The ECM regulates a variety of essential functions, including engine power and transmission control.

Other technologies in smart keys include anti-theft coding and an individual security ID assigned to each key. This can block the ignition if it's not the correct one. The security ID is a specific code that's sent from the ECM to the key once it's put into the ignition and then confirmed by a device inside the car.

Maintenance

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

Like all electronic equipment the smart car key fob requires regular maintenance to function effectively. The majority of modern key fobs have indicators for batteries that notify the driver when the battery is running low. Replacing the battery is a straightforward procedure, and no specialized tools are required.

In certain instances the smart key may cease to function completely. If you suspect this is the cause, try to reset the smart key after leaving the vehicle, then returning inside. This will allow the car to know that the key fob remains in the vehicle and will allow it regain functionality.

If you can't get your fob to work Contact a locksmith for help. They can reprogram it to ensure that the car can recognize it and allows you to utilize all of its features. This is usually less expensive than purchasing a new fob and could save you money over the course of time. In some cases locksmiths can fix an existing fob so that it can be used to create new keys. This could save you more money in the end.