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Vehicle Smart Key Technology

Smart keys in vehicles allow the driver to unlock and start the car simply by pressing the door handle or placing the key in the pocket. It also permits many other adjustments like seat position as well as internal temperature settings and mirror position.

However, this could cause security issues.

Security

Smart keys are computerized key fobs that communicate with the vehicle via an embedded antenna. This allows them to unlock doors and start the motor. Smart keys, unlike traditional keys that emit the same frequency every time they're pressed, transmit encrypted signals that are compatible with the car to which they belong to. This makes it much more difficult for thieves with advanced technology to intercept or fake the signal, and then use your key to steal your vehicle.

For instance, Mercedes' system -- called Keyless Go -- has an internal transponder, which identifies the driver's keys. When the Smart Key comes within 1.5 meters of a vehicle it instantly unlocks the door and tailgate and the engine will start when a button on the key is press.

Some smart keys, such as the ones made by BMW additionally have user-specific settings that allow users to alter the seat, mirrors, steering wheel position, and even audio preferences with the push of a button. They also have a backup lock that prevents the vehicle from running without the key.

This technology prevents drivers from accidentally locking their car, especially when fumbling in a purse or backpack to find keys in a parking space full of strangers or in an area with high crime rates. A lot of systems will also notify drivers when keys are running low on battery, but this feature differs by manufacturer.

Convenience

The smart key is ideal for those who are in a hurry to get somewhere. You can lock, unlock and start your car simply by pressing the door handle or trunk release. The key fob can also connect to 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 don't lock yourself out. The key fob communicates with an antenna inside the vehicle to determine if it's within the range. If it's not in range, the engine will not start. This will deter thieves who might steal your vehicle to sell its parts.

The smart Car key fob Programming - cyclescale3.werite.net, key also employs rolling codes to ward off hacking attempts and cloning, says BMW. The computer inside the vehicle recognizes the code and confirms it prior to launching the engine. Most systems come with a mechanical backup in the form of a hidden key blade.

Modern smart keys can also tell which keys are in use and smart car key fob Programming adjust the car settings in line with the use of the key, says How Stuff Works Electronics. If you start the vehicle while holding the key in your hand for instance windows and the sunroof will open to allow air circulation to the interior. You can also set the speed limit which will only be in effect when the car is started using the selected key, a feature that could be useful when loaning your car to a new smart car key driver.

Battery Life

If you're looking for a way to get more mileage out of your vehicle's smart key, smart car Key fob programming or just want to make sure it won't die during a trip to the grocery store, you can activate an auto smart key replacement manufacturer-specific feature called Power Saving Mode. To activate this feature, press and hold the lock button while pressing the unlock button.

This will stop your smart key fob to send or receive any radio waves. This will dramatically extend the life of its battery. You can always reactivate this function by pressing the unlock and lock buttons once more.

Certain smart keys also come with anti-theft features to prevent them from being copied by thieves. For instance, Mercedes-Benz smart keys use rolling codes to prevent unauthorized vehicle access. When a smart key is put in the ignition, a computer inside the car checks the code in milliseconds before it starts the engine. BMW has a similar system with its Display Key, which comes with an LCD touchscreen on the smart key for added convenience and allows drivers to lock and unlock their cars without ever removing the key from their pockets.

If you're considering buying a new car with a smart key, or need the battery of your smart key fob replaced, contact Pop-A-Lock for a quick and simple service. We can replace the battery on any smart key and our mobile locksmiths are able to assist you in setting the system to make sure 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 deter hackers from hacking the system. When placed in the ignition of the vehicle the computer validates the code in milliseconds. This technology was developed by Mercedes-Benz and is now employed by a number of luxury car brands.

A smart key system will continue to work even if it is not possible to remember the key in the trunk or leave it in a restaurant. Certain systems will also inform the driver when the battery is running low. Some brands offer key covers that are specifically designed for smart keys that protect the fob from damage.