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Vehicle Smart Key Technology

Smart keys in vehicles allow drivers to open and start the car by touching the door handle or placing the key in the pocket. It also allows many other adjustments such as seat position and internal temperature settings as well as mirror position.

However, this can also lead to security concerns.

Security

Smart keys are sophisticated key fobs with computers that communicate with a vehicle through one of the antennas that are embedded in the vehicle to open the doors and begin the engine. Smart key fobs, unlike conventional keys that emit the same frequency every time they're pressed, send encrypted signals that are compatible with the particular car to which they belong. This makes it much more difficult for thieves with advanced technology to spoof or intercept the signal, and use your key to steal your car.

For instance, Mercedes' system -- called Keyless Go -- has an internal transponder which can identify 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 turns on the engine by pressing a button on its key.

Certain smart keys, like the ones made by BMW additionally have user-specific settings. These allow drivers to alter the seat, mirrors and steering wheel's location and audio preferences with the press of a single button. They also have a backup lock, which prevents the vehicle from starting if the key is not in the ignition.

This technology prevents drivers from locking their cars, particularly when searching through a purse or backpack for keys in a parking space full of strangers or in a busy street with high rates of crime. Many systems also notify drivers when the key is running low on battery, but this feature is different for each manufacturer.

Convenience

The smart key is ideal for those in a rush to get to their destination. You can lock, unlock and start your car simply by pressing a button on the door handle or the trunk release. The key fob will also communicate with your phone to keep track of charging locations, charging times and other details about the vehicle, according to Popular Mechanics.

The main benefit is that you won't accidentally lock yourself out. The key fob communicates to an antenna inside the vehicle to determine if it's within range. If it's not in range, the engine will not start. This will deter thieves who would steal your vehicle to sell its parts.

The smart forfour key replacement key also employs rolling codes to protect against hacking attempts and cloning, reports BMW. The vehicle's computer is able to recognize and verify the code before starting the motor. Most systems come with a mechanical backup in the form of an invisible key blade.

Modern smart keys also know which keys are in use and adjust the settings of the vehicle in accordance with the key's use, according to How Stuff Works Electronics. For instance, if turn on the car holding the key fob in your hands, the windows and the sunroof are opened to ventilate the cabin. You can also set up a speed limit which will only be applied when the vehicle is powered by the specified key. This feature could be beneficial if you're lending your vehicle to a person who has little experience.

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 down the lock button and press the unlock button.

This will stop your smart key fob's smart key programing device from being able to send or receive any radio waves. This will significantly extend the life of your battery. You can always activate the function by pressing the unlock and lock buttons again.

Certain smart keys have anti-theft features to prevent them from being copied by thieves. For instance, Mercedes-Benz smart keys use rolling codes to stop unauthorized vehicle access. The computer in the car is able to verify the code within milliseconds following the smart key is placed. BMW utilizes a Display Key that has a tiny LCD color screen. This lets drivers lock their cars, open their doors, and start them without having to remove the smart car key fob replacement key from their pockets.

Call Pop-A-Lock if you need to replace the battery in your smart key fob, or in the event that you are thinking of purchasing a car with smart Car key programming-key. We can replace the battery in any smart key repair key and our mobile locksmiths can assist you in setting it up so that your car can recognize it.

Special Cases

While smart keys are not secure against theft, they can help to deter thieves. Smart key fobs are designed to deter hackers from gaining access to the system. When they are inserted into the ignition of the vehicle The computer confirms the code in milliseconds. This technology was invented by Mercedes-Benz and is now employed by many luxury car brands.

A smart key system will work even if you don't remember the key in the trunk or leave it at a restaurant. Some systems will alert the driver when the battery is low. Certain brands have key covers specifically designed for smart fortwo key fob keys that keep the fob protected from harm.