What Can a Smart Car Key Fob Do For You?

Also known as fobs, keyless entry or smart keys, they were introduced by Mercedes in 1998. The fobs that are computer controlled are capable of performing many tasks like locking and unlocking the car, or getting it started.

They work by transmitting an encrypted, rolling message. This makes them more secure to tech-savvy thieves.

Safety

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

A new hack allows thieves to take advantage of this method of communication. Relay attacks are carried out with devices that transmit at the same rate as the key fob. Thieves can put one of these gadgets in a pocket or hiding area to disable the lock command from a distance. How Stuff Works Electronics. This is a risk that may become more common, as more drivers switch over to smart keys.

Aside from these security features, a smart key fob can make life easier by automatically adjusting to the needs of your vehicle. A key fob that connects to your smartphone, for example, can detect your presence and unlock the doors so you do not have to hit the remote button. It also can detect that you are leaving the car and automatically close it, so you won't forget to lock the doors. A lot of smart key fobs also have an indicator for the battery that alerts you in advance that the battery is getting low. Also, replacing the battery in most models is a straightforward and easy process that does not require any special tools.

Convenience

Smart keys do not have to be physically placed in an ignition slot to unlock 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 described by the BMW Group. In reality, some smart keys, like the Display Key, have 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 that smart keys can help drivers save time is by automating the process of locking their car doors when they leave it. This feature is found in a number of automobiles, according to Consumer Reports, and can also help navigate through parking spaces that are tight without causing injury to something or someone.

Open Road Auto Group explains that smart key systems don't transmit the same frequency signal repeatedly, as this can make them more vulnerable to relay attacks. Smart keys are specific to each vehicle, therefore a stolen vehicle cannot be hotwired. This makes it extremely difficult for thieves to steal a vehicle.

Security

Modern cars come with more high-tech electronic features than ever before, and a few of them are contained on the key fob. These gadgets are capable of more than just locking and unlocking doors or making chirping sounds to assist drivers locate their vehicle in parking areas. However there are some who are unaware of the full capabilities.

Certain keys, such as example, will trigger the automatic windows and sunroof of vehicles when you press. One auto editor in CR went into her Honda Accord to find the windows shut and the sunroof fully open. That's one of the reasons she was grateful for her Smart Key, which locked the car automatically.

Certain smart key locksmith near me keys use encrypted computer signals to thwart car thieves according to How Stuff Works. This technology stops hotwiring in which thieves steal the engine controller module (ECM) which is typically located at the front of the engine. The ECM is responsible for many important functions such as engine power, transmission control, and more.

Other technologies in smart key near me keys include anti-theft code and a unique security ID that is assigned to each key, which can disable the ignition if it's not the right one. The security ID is a code that's sent from the ECM to the key when it's put into the ignition and then confirmed by a sensor in the car.

Maintenance

A smart car key fob can do more than just unlock your door. It can start your engine and operate the suspension and brakes remotely. It can also provide information about your car like the level of fuel and the temperature of your oil.

Like any piece of electronic equipment like a smart car key fob needs regular maintenance to function correctly. The majority of modern key fobs have indicators for batteries that notify the driver when the battery is running low. It is easy to replace the battery, and you don't require special tools.

In some cases the smart key may stop working completely. If you suspect this to be the case, you can reset it by getting out of the vehicle and returning to the vehicle. This will allow the car to know that the key fob is in the vehicle and allow it to regain its functionality.

Contact a locksmith if cannot get your key fob to function. They can reprogram it to ensure that your car recognizes it again and allows you to utilize all of its functions. This is usually less expensive than buying a brand new fob and can save you money over time. In some instances locksmiths are able to repair an existing fob to allow it to be used to create a new key. This can save you more money in the long run.