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Vehicle Smart Key Technology

The smart key technology that is found in vehicles lets drivers unlock and start their car by simply touching the door handle or putting the key in the pocket. It also allows for a variety of other adjustments, such as seats positions, internal temperature settings, stereo presets, and mirror positioning.

However, it could also lead to security concerns.

Security

Smart keys are key fobs with computers that communicate with vehicles via one of the antennas that are embedded in the vehicle to open doors and begin the engine. Smart keys, unlike conventional keys that emit the same frequency each time they're used, transmit encrypted signals that are only compatible with the vehicle to which they belong. This makes it much more difficult for thieves with a technological edge to steal or spoof the signal and use the key to take your car.

Mercedes' Keyless Go system For instance, it has an internal transponder which identifies the key of the driver. The Smart Key automatically unlocks and opens the doors and the tailgate when it is within 1.5 meters. It also begins the engine by pressing a button on its key.

Some smart keys, like those made by BMW, also have user-specific settings that allow drivers to alter the mirrors, seat and steering wheel's position and audio preferences with the push of a button. They also come with a backup lock that prevents the vehicle from running without the key.

This technology prevents drivers from accidentally locking their vehicles and causing damage to their vehicle, particularly when searching a purse or a backpack for keys on a parking lot with strangers, or on a street where crime is high. Many systems will also inform drivers when the battery in their keys is not fully charged, though this feature can vary by manufacturer.

Convenience

The Smart Car Key Programming key for smart car is perfect for those trying to get somewhere. By pressing the button on your trunk release or door handle, you can unlock, lock and get into your vehicle. Popular Mechanics explains that the key fob can be used to track charging, location, and other information about your vehicle.

The main benefit is that you aren't able to accidentally lock yourself out. The key fob communicates with an antenna within the vehicle to determine if it's within range. If it's not in range, the engine will not start. This will deter thieves from stealing your vehicle and selling its parts.

The smart key replacement key also employs rolling codes to prevent hacking attempts and cloning, says BMW. A computer within the vehicle reads the code and confirms it prior to starting the engine. Most systems have a physical backup system in the form of a hidden key blade.

Modern smart keys also detect the key that is being used and adjust the car settings accordingly, notes How Stuff Works Electronics. For instance, if you switch on the car while holding the key fob in your hand, the windows and sunroof open to let the cabin air dry. You can also set the speed limit which will only be in effect when the car is started using the chosen key, which could be helpful when lending your vehicle to a novice driver.

Battery Life

If you're looking for a way to get more mileage out of your vehicle's smart key, or just want to make sure it won't die during a trip to the grocery store, you can activate an auto manufacturer-specific feature called Power Saving Mode. To activate it, press the lock button down and then press the unlock button.

This will block your smart car replacement key key fob's ability to send or receiving any radio waves and will increase the battery's life considerably. You can reactivate this function by pressing the unlock and lock buttons again.

Some smart keys have anti-theft features that stop them from being copied by thieves. For example, Mercedes-Benz smart keys use rolling codes to stop unauthorized access to the vehicle. When the smart key is inserted in the ignition, a computer inside the car validates the code in milliseconds prior to starting the engine. BMW makes use of a Display Key that has a tiny LCD screen with a color. This allows drivers to lock their vehicles, unlock them, and even start them without removing the smart key from their pockets.

Contact Pop-A-Lock if your need to replace the battery in your smart key fob or considering purchasing a car with smart fortwo key programming-key. Our mobile locksmiths will change the battery of any smart key and help you set it so that your car recognizes it.

Special Cases

Although smart keys aren't secure against theft, they can help to deter thieves. smart car replacement key keys are designed to keep hackers from gaining access to the system. When placed in the ignition of the car The computer confirms the code in milliseconds. This technology was developed by Mercedes-Benz and is now utilized by a number of high-end car brands.

A smart key system will work even if you forget the key in the trunk or leave it in a restaurant. Certain systems will also inform the driver when the battery is running low. Certain brands also offer key covers specifically designed for smart keys to keep the key safe from harm.