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Vehicle smart car keys Key Technology

The smart key technology found 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, such as the position of seats and internal temperature settings, stereo presets, and mirror positioning.

However, this can also create security concerns.

Security

Smart keys are advanced electronic keys that communicate with a vehicle through one of the car's embedded antennas to open the doors and begin the engine. Smart keys, unlike conventional keys that emit the same frequency every time they're used, transmit encrypted signals that are compatible with the particular car to which they belong. This makes it difficult for thieves with the latest technology to fake or intercept the signal and use the key to take your car.

For example, Mercedes' system -- called Keyless Go -- has an internal transponder that 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 allows you to start the engine by pressing a button on its key.

Certain smart keys, like the ones made by BMW and Mercedes-Benz, also come with user-specific settings that permit the driver to adjust the seat, mirrors and steering wheel's position and audio preferences with the click of a button. They also have a backup lock, which stops the car from starting without the key in the ignition.

This technology can prevent drivers from accidentally locking their car, especially when they are rummaging through their purses or backpack to locate keys in a parking area packed with people or on an area with high rates of crime. A lot of systems will alert motorists when the battery for their key is low, though this feature varies by manufacturer.

Convenience

The smart key is ideal for those on the move and need to get somewhere. You can unlock, lock and start your car by pressing the door handle or the trunk release. The key fob will communicate with your phone to keep track of charging, location and other data about the vehicle, explains Popular Mechanics.

The main benefit is that you don't get locked out. The key fob is connected to an antenna inside the vehicle to determine if it's within range. If it's not, the engine won't start. This is a deterrent to thieves who might take your vehicle and sell the parts.

BMW reports that the smart key employs rolling codes, as well as to protect against hacking and cloning. A computer in the vehicle is able to recognize the code and confirms it prior to launching the engine. Most systems also have a mechanical backup in the form of an invisible key blade for styling purposes.

how to unlock a smart car without a key Stuff Works Electronics notes that modern smart keys can also detect when the key is in use and adjust vehicle settings accordingly. If you turn on the vehicle while holding the key in your palm, for example, the windows and the sunroof will open to ventilate the interior. You can also set a speed limit that will only be in effect when the vehicle is powered by the selected key. This feature is beneficial if you're lending your vehicle to a person who has no prior experience.

Battery Life

If you're looking for a way to get more mileage out of your vehicle's smart car replacement key 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 do this, hold the lock button down and then press the unlock button.

This will block your smart key fob from sending or receiving any radio waves which will increase its battery life significantly. You can always activate this feature by pressing the unlock and lock buttons once more.

Certain smart keys come with anti-theft features that stop them from being stolen by thieves. Mercedes-Benz smart keys utilize rolling codes to stop access by anyone who is not authorized to use it. The computer in the car will check the code every millisecond after the smart key is inserted. BMW uses a similar method with its Display Key, which comes with a small LCD color touchscreen on the smart car key reprogramming key for ease of use, and enables drivers to lock, unlock, and start their vehicles without ever taking it from their pockets.

If you're thinking about buying a new car with a smart forfour key programming key, or require the battery in your smart key fob replaced, call Pop-A-Lock for a fast and easy service. We can replace the battery in any smart key and our mobile locksmiths will assist you in setting the system so that your vehicle recognizes it.

Special Cases

Smart keys are not 100 100% safe from theft, but they can aid in deterring thieves. Smart keys are designed to stop hackers from hacking into the system. When placed in the ignition of the vehicle, the computer verifies the code in milliseconds. This technology was invented by Mercedes-Benz and is now employed by a number of automobile brands that are luxury.

A Smart Car Key Programming key system will continue to function even if you lose the key in the trunk or leave it at the restaurant. Some systems will alert the driver when the battery is depleted. Certain brands have key covers designed specifically for smart keys that protect the fob from damage.