Vehicle Smart Key Technology

Smart keys in vehicles allow a driver to unlock and start the car by touching the door handle or putting the key in the pocket. It also permits various other adjustments including the position of the seat as well as internal temperature settings and mirror positioning.

This could also raise security issues.

Security

Smart keys are key fobs that are computerized which communicate with the vehicle through an embedded antenna. It can unlock doors and begin the motor. smart key replacement cost key fobs, unlike traditional keys, which emit the same frequency every time they're used, transmit encrypted signals that are compatible with the car to which they belong to. This makes it more difficult for hackers with the latest technology to intercept or spoof the signal and use your key to steal your car.

For instance, Mercedes' system -known as Keyless Go -- has an internal transponder that can identify the driver's key. When the Smart Key comes within 1.5 meters of a vehicle it automatically unlocks the tailgate and door and starts the engine when the key's button is pressed.

Certain smart keys, such as those from BMW, also have user-specific settings that permit drivers to alter the mirrors, seat and the steering wheel's position and audio preferences with the click of a button. They also have an emergency lock that stops the vehicle from running without the key.

This technology prevents drivers from locking their car, especially when they are rummaging through their purses or backpack to find keys in a parking area packed with people or on a busy street with high crime rates. Some systems will also notify drivers if the key battery is depleted, though this feature can vary by manufacturer.

Convenience

The smart key is perfect for those trying to get somewhere. You can unlock, lock and start your car simply by pressing the door handle or the trunk release. The key fob can also communicate with your smartphone to track charging locations, charging times and other details about the vehicle, explains Popular Mechanics.

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

The smart key uses rolling codes to prevent hacking attempts and cloning, according to BMW. A computer inside the vehicle detects the code and confirms it prior to launching the engine. The majority of systems also have a mechanical backup that is the key blade, which is hidden for styling purposes.

Modern smart keys also know which keys are in use and adjust the settings of the vehicle in line with the use of the key, says How Stuff Works Electronics. For example, if you start the car while holding the key fob in your palm, the windows and sunroof can be opened to let air circulate through the cabin. You can also set a speed limit that will only be applicable when the vehicle is started with the selected key, which could 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 this feature simply press and hold the lock button while pressing the unlock button.

This will stop your smart key fob's smart car key programming near me device from being able to send or receive any radio waves. This will greatly extend its battery life. You can always reactivate this feature by pressing the unlock and lock buttons once more.

Some smart keys also have anti-theft functions that stop them from being copied by thieves. For example, Mercedes-Benz smart keys use rolling codes to prevent unauthorized access to vehicles. When a smart key is inserted into the ignition, a computer within the car verifies the code in milliseconds, before it starts the engine. BMW has a similar system with its Display Key, which comes with a small LCD color touchscreen on the smart key for added convenience and allows drivers to lock or unlock their cars without ever removing it from their pockets.

Contact us at Pop-A Lock if you require to replace the battery on the smart key fob you have or should you be thinking of purchasing a car that has a smart-key. We can replace the battery on any smart key and our mobile locksmiths will assist you in setting it up so that your vehicle recognizes it.

Special Cases

While smart forfour key replacement keys are not secure against theft, they can help to hinder thieves. Smart keys utilize rolling security codes to protect against hackers, and when put in the ignition, the car's computer can verify the code within milliseconds. Mercedes-Benz created this technology, which is currently used by luxury car manufacturers.

A smart key system will continue to work even if you don't remember the key in your trunk or leave it in an establishment. Some systems will also alert the driver when the battery is depleted. Certain brands also offer key covers specifically designed for smart keys. They ensure that the fob is protected from harm.