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Vehicle Smart Key Technology

Smart keys for vehicles allow drivers to unlock and start the car simply by pressing the door handle or putting the key in the pocket. It also allows a variety of other adjustments, including seat position the internal temperature setting and mirror positioning.

This could also create security worries.

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. In contrast to conventional keys that emit the same frequency signal every time they are used, smart keys transmit encrypted signals that only match the specific car smart key programming near me they belong to. This makes it harder for hackers with the latest technology to detect or spoof the signal, and then use your key to steal your vehicle.

Mercedes' Keyless Go system For instance, it has an internal transponder that identifies the driver's key. 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.

Furthermore there are smart keys that- like those from BMW -- have individual user settings that let the driver adjust the seat, mirrors and steering wheel position and audio preferences with the click of the button. They also have a backup lock that prevents the vehicle starting without the key.

This technology assists drivers from locking their car, especially when searching through a purse or backpack to locate keys in a parking area filled with strangers or on an area with high crime rates. Some systems will also notify drivers when the battery in their keys is not fully charged, though this feature may differ from manufacturer to the manufacturer.

Convenience

If you're in a hurry to get to a place, the smart key makes entering your vehicle as easy as possible. By pressing the button on the trunk release lever or door handle, you can lock, unlock and start your vehicle. The key fob will connect to your phone to keep track of charging and location as well as other information regarding the vehicle, as explained by Popular Mechanics.

One of the biggest advantages is that you can't accidentally lose your keys. The key fob communicates with the antenna inside the vehicle to determine if it's within range. If it's not, the engine won't start. This helps deter would-be thieves who may steal your vehicle to sell its parts.

BMW reports that the smart key uses rolling codes, as well as to stop cloning and hacking. A computer in the vehicle detects the code and validates it before starting the engine. Most systems also have a mechanical backup that is the key blade, which is hidden for styling purposes.

How Stuff Works Electronics notes that modern smart keys also detect when the key is being used 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 palm for instance windows and sunroof will open to ventilate the interior. You can also set the speed limit to only be applied when the vehicle is started using the specified key, a feature that 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 do this, hold 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 that could extend its battery's life considerably. You can always restart the function by pressing the lock and unlock buttons again.

Some smart car key recoding keys include anti-theft features to prevent them from being copied by thieves. Mercedes-Benz smart key uses rolling codes to stop unauthorized access. When a smart key is inserted into the ignition, a computer within the car validates the code in milliseconds, before starting the engine. BMW utilizes a Display Key with a small LCD screen with a color. This allows drivers to lock their cars, open them, and then start them without having to remove the smart key from their pocket.

Contact Pop-A-Lock if your need to replace the battery in your smart key fob, or considering purchasing a car that has a smart key programing-key. We can replace the battery in any smart key and our mobile locksmiths are able to help you set it up so that your vehicle can recognize it.

Special Cases

While smart keys aren't security-wise, they can be used to stop thieves. Smart key fobs use rolling security codes to prevent hacking, and when placed in the ignition, the car's computer validates the code within milliseconds. This technology was invented by Mercedes-Benz and is now utilized by a variety of luxury car brands.

Another great feature is that most smart key systems will operate if the user forgot the key in the trunk, left it at a restaurant or lost it on the trail. Certain systems will notify the driver when the battery is depleted. Certain brands also offer key covers that are specifically designed for smart keys to protect the fob from damage.