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Vehicle Smart Key Technology

Smart keys in vehicles allow drivers to open and start the car by pressing the door handle or placing the key in the pocket. It also allows a variety of other adjustments including the position of the seat and internal temperature settings as well as mirror positioning.

This can also lead to security issues.

Security

Smart keys are highly sophisticated computerized key fobs that communicate with a vehicle via one of the antennas built into the car to unlock doors and start the engine. Unlike conventional keys, which emit the same frequency signal every time they are activated, smart keys transmit encrypted signals that only match the specific vehicle they belong to. This makes it more difficult for criminals with a technological edge to intercept or spoof the signal, and then use your key to steal your vehicle.

Mercedes' Keyless Go system For instance, it has an internal transponder which identifies the driver's keys. When the smart car key Coding Key comes within 1.5 meters of a vehicle, it automatically unlocks the tailgate and door, and the engine starts when a button on the key is pressed.

Certain smart 450 key programming keys, like the ones made by BMW, also have user-specific settings. These allow drivers to alter the mirrors, seat and steering wheel's position and audio preferences with the touch of a single button. They also come with a backup lock that keeps the vehicle from starting if the key is not in the ignition.

This technology prevents drivers from accidentally locking their vehicles and causing damage to their vehicle, particularly when searching the bag or purse for keys in parking lots with strangers or a busy street where crime is high. Many systems will also alert drivers when the battery in their keys is low, but this feature varies by the manufacturer.

Convenience

If you're in a hurry to get to a place the smart key makes getting into your vehicle as simple as it can be. You can lock, unlock and start your car by pressing a button on the door handle or trunk release. The key fob will also communicate with your smartphone to track charging, location and other information about the vehicle, explains Popular Mechanics.

The main benefit is that you don't lock yourself out. The key fob communicates to an antenna inside the vehicle to determine if it is within the range. If it's not, the engine won't not start. This will stop thieves from the vehicle and stealing parts of it.

BMW reports that the smart key employs rolling codes in order to stop cloning and hacking. A computer inside the vehicle recognizes the code and confirms it prior to starting the engine. Most systems come with a mechanical backup system that is an invisible key blade.

how to unlock a smart car without a key Stuff Works Electronics notes that modern smart keys can be able to detect keys when it is in use and adjust the vehicle settings in line with the use of the key. If you turn on your vehicle while holding the key in your hand for instance the windows as well as the sunroof will open to allow air circulation to the interior. You can also set a speed limit that will only apply when the vehicle is started using the specified key, which can 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 it, press the lock button down and then press the unlock button.

This will disable your smart key fob's ability to send or receiving any radio waves, which will extend its battery life significantly. It is possible to reactivate the function by pressing both the unlock and lock button again.

Certain smart keys have anti-theft features that stop them from being stolen by thieves. For example, Mercedes-Benz smart keys use rolling codes to prevent unauthorized vehicle access. When a smart key is put in the ignition, a computer within the car confirms the code in milliseconds before even starting the engine. BMW uses a Display Key that has a small LCD color screen. This lets drivers lock their cars, unlock them, and then start the engine without having to take the smart key from their pockets.

Contact us at Pop-A Lock if you require to replace the battery in the smart key fob you have or if you are thinking of purchasing a car that has a smart-key. Our mobile locksmiths can replace the battery of any smart key and also help you set it up so that your car recognizes it.

Special Cases

Smart keys aren't 100 100% safe from theft, but they can help deter thieves. Smart keys are designed to keep hackers from gaining access to the system. When placed in 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 function even if you lose the key in the trunk or leave it at an establishment. Certain systems will also notify the driver if the battery is low. Certain brands also offer keys with covers specifically designed for smart keys, to shield the fob from damage.