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Vehicle Smart Key Technology

The smart key technology in vehicles allows drivers to open and start the car simply by touching the door handle or placing the key in the pocket. It also permits various other adjustments such as the position of the seat as well as internal temperature settings and mirror position.

This can also cause security concerns.

Security

Smart keys are sophisticated key fobs with computers that communicate with a vehicle through one of the car's embedded antennas to unlock doors and start the engine. Smart key fobs, as opposed to conventional keys that emit the same frequency each time they're pulled, transmit encrypted signals that are only compatible with the particular car to which they belong. This makes it more difficult for tech-savvy criminals to intercept or fake the signal, and then use your key to steal your vehicle.

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

Furthermore some smart keys- like those from BMW have their own user settings that allow the driver to adjust the mirrors, seat and the steering wheel's position and audio preferences with the click of a button. They also come with an emergency lock that keeps the vehicle from starting if the key is not in the ignition.

This technology protects drivers from accidentally locking their vehicles particularly when they are searching backpacks or purses for keys on the parking lot of strangers, or on a street where crime is high. Many systems also alert motorists when their keys are not fully charged, however this feature is different for each manufacturer.

Convenience

The smart key is ideal for those in a rush to get somewhere. You can lock, unlock and start your car simply by pressing the door handle or the trunk release. Popular Mechanics explains that the key fob can also be used to monitor charging locations, charging, and other vehicle information.

You shouldn't lock your keys inside the car. The key for smart car fob communicates to an antenna inside the vehicle to determine if it is within range. If it's not, the engine won't start. This will stop thieves from taking your vehicle and then selling parts of it.

BMW reports that the smart car key programmer key uses rolling codes in order to ward off hacking and cloning. The computer in the vehicle detects and validates the code before starting the motor. Most systems have a physical back-up in the form a hidden key blade.

How Stuff Works Electronics notes that modern smart keys can also detect the keys being used and adjust the vehicle settings in line with the use of the key. If you start the vehicle while holding the key in your hands, for example the windows as well as the sunroof will open to ventilate the interior. You can also set the speed limit to only apply when the vehicle is started using the selected key, a feature that could be useful when loaning your car 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 this feature simply press and hold the lock button while pressing the unlock button.

This will block your smart key fob from being able to transmit or receive radio waves. This will greatly extend the battery's life. You can reactivate this function by pressing the unlock and lock buttons again.

Certain smart keys come with anti-theft capabilities that prevent them from being stolen by thieves. Mercedes-Benz smart keys utilize rolling codes to prevent unauthorised access. The computer in the car examines the code in milliseconds after the smart key is placed. BMW utilizes a Display Key with a small LCD color screen. This allows drivers to lock their cars, unlock their doors, and start them without taking the smart key from their pockets.

If you're considering buying a new car with a smart key, or if you require the battery in your smart key fob replaced, call us at Pop-Alock to get a quick and easy service. We can replace the battery on any smart key and our mobile locksmiths will help you set it up so that your vehicle can recognize it.

Special Cases

Smart keys aren't 100% theft-proof, but they assist in preventing thieves. Smart keys are designed to stop hackers from gaining access to the system. When placed in the ignition of the vehicle The computer confirms the code in milliseconds. Mercedes-Benz invented this technology, which is now used by luxury car brands.

Another great feature is that most smart key systems will continue to work even if a user forgot the key in the trunk, left it at an eatery or lost it on an excursion. Some systems will also notify the driver when the battery is running low. Certain brands have key covers specifically designed for smart car key not working keys that protect the fob from harm.