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Vehicle smart key replacement Key Technology

The technology of smart keys in vehicles allows drivers to unlock and start their vehicle by simply pressing the door handle, or by putting the key into the pocket. It also allows a variety of other adjustments like seats positions and temperature settings inside the car, mirror position and stereo presets.

However, it could also create security concerns.

Security

Smart keys are advanced computerized key fobs that communicate with a vehicle through one of the car's embedded antennas to unlock the doors and begin the engine. As opposed to traditional keys, which emit the same frequency signal every time they are pressed, smart key fobs transmit encrypted signals that are specific to the specific car they belong to. This makes it much more difficult for thieves who are tech-savvy to fake or intercept the signal and use the key to steal your car.

Mercedes' Keyless Go system for instance, comes with an internal transponder which 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 starts the engine by pressing a button on its key.

Furthermore some smart car key replacement keys- like those from BMW come with individual user settings that let the driver alter the seat, mirrors, the steering wheel's position as well as audio preferences with the click of one button. They also have the backup lock, which stops the vehicle from starting without the key.

This technology helps keep drivers from accidentally locking their car, especially when searching through a purse or backpack to find keys in a parking space packed with people or on an area with high rates of crime. Some systems also notify motorists when their keys are running low on battery, but this feature is dependent on the manufacturer.

Convenience

The smart key is perfect for those in a hurry to get somewhere. By pressing the button on the trunk release lever or door handle, you can unlock, lock and open your vehicle. Popular Mechanics explains that the key fob can also be used for tracking charging, location, and other vehicle information.

You can't accidentally lock your keys inside the car. The key fob communicates with the antenna inside the vehicle to determine if it's in range. If it's not, the engine will not start. This will deter thieves who could take your vehicle and sell its parts.

BMW reports that the smart key utilizes rolling codes as well to protect against hacking and cloning. The vehicle's computer recognizes and verifies the code prior to starting the motor. Most systems come with a mechanical backup system in the form of an unnoticed key blade.

Modern smart keys can also tell which keys are in use and adjust the settings of the vehicle accordingly, notes How Stuff Works Electronics. For example, if you switch on the car while holding the key fob in the palm of your hand, the windows and the sunroof are opened to let the air in the cabin breathe. You can also set an upper limit on speed that will only be applied when the vehicle is started using the specified key, which could be useful when loaning your car to an inexperienced 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 you need to press and hold the lock button while pressing the unlock button.

This will stop your smart key fob from having to transmit or receive radio waves. This will significantly increase the life of your battery. You can always restart the function by pressing the unlock and lock buttons again.

Certain smart keys also have anti-theft functions that stop them from being copied by thieves. Mercedes-Benz smart keys use rolling codes to block the unauthorized access. When a smart key is inserted into ignition, a computer within the car verifies the code in milliseconds prior starting the engine. BMW also has a similar system with its Display Key, which includes an LCD touchscreen on the smart key for convenience and enables drivers to lock or unlock their cars without ever removing the key from their pockets.

If you're thinking of buying an automobile with a smart car key supplier key, or need your smart key fob's battery replaced, call Pop-A-Lock for a quick and efficient service. Our mobile locksmiths will replace the battery of any smart fortwo key programming key and assist to set it up so that your car can recognize it.

Special Cases

While smart keys aren't theft-proof, they do help to discourage thieves. Smart key fobs are designed to keep hackers from hacking into the system. When they are inserted into the ignition of the car, the computer verifies the code in milliseconds. This technology was developed by Mercedes-Benz and is now employed by a number of premium car brands.

Another helpful feature is that the majority of smart key systems will continue to function in the event that the user forgets the key in the trunk, left it at the restaurant or if it is lost during a hike. Some systems will alert the driver when the battery is low. Certain brands have key covers specifically designed for smart keys. They keep the key safe from damage.