Vehicle Smart Key Technology

The smart key technology in vehicles allows drivers to unlock and start the car by grabbing the door handle or putting the key for smart car in the pocket. It also allows various other adjustments like the position of the seat the internal temperature setting and mirror positioning.

This can also cause security worries.

Security

Smart keys are computerized key fobs that communicate with the vehicle using one of the antennas built into the car to unlock doors and to start the engine. In contrast to conventional keys that emit the same frequency signal each time they are activated, smart keys transmit encrypted signals that are specific to the specific vehicle they belong to. This makes it harder for hackers with the latest technology to intercept or spoof the signal, and then use your key to steal your vehicle.

Mercedes' Keyless Go system, for example, has an internal transponder that can identify the key of the driver. When the Smart Key comes within 1.5 meters of a vehicle it will automatically unlock the door and tailgate and starts the engine when the key's button is hit.

Some smart keys, such as the ones from BMW additionally have user-specific settings. These allow the driver to adjust the mirrors, seat and steering wheel's location and audio preferences at the push of a button. They also come with a backup lock that keeps the vehicle from starting if the key is not in the ignition.

This technology assists drivers from locking their cars, particularly when they have to search their purse or backpack to find keys in a parking lot packed with strangers or on a busy street with high crime rates. Many systems will also inform drivers when the battery in their keys is low, though this feature varies from manufacturer manufacturer.

Convenience

The smart key is ideal for those on the move and need to get somewhere. You can lock, unlock and start your car simply by pressing a button on the door handle or the trunk release. Popular Mechanics explains that the key fob can also be used for tracking charging locations, charging, and other information about your vehicle.

A big benefit is that you can't accidentally be locked out. The key fob is connected to an antenna inside the vehicle to determine whether it's within range. If it's not, the engine will not start. This will deter thieves who could steal your vehicle to sell its parts.

The smart key also uses rolling codes to prevent hacking attempts as well as cloning, according BMW. The computer in the vehicle recognizes and verifies the code prior the start of the motor. Many systems also have a backup mechanical system that is an invisible key blade to be used for styling purposes.

How Stuff Works Electronics notes that modern smart keys can also detect the key used and adjust the car settings accordingly. For instance, if start the car while holding the key fob in your hands, the windows and sunroof open to let air circulate through the cabin. You can also set a speed limit which will only be applied when the vehicle is powered by the specified key. This feature could be beneficial if you're lending your vehicle to a driver who has no prior experience.

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, press and hold the lock button while pressing the unlock button.

This will disable your smart Car key key fob's ability to send or receiving radio waves that could extend its battery's life by a significant amount. It is possible to reactivate the function by pressing both the unlock and lock buttons again.

Certain smart keys have anti-theft capabilities that protect them from being copied by thieves. Mercedes-Benz smart keys employ rolling codes to prevent unauthorized access. When a smart key is inserted into ignition, a computer inside the car validates the code in milliseconds prior to it starts the engine. BMW uses a similar method with its Display Key, which includes a small LCD color touchscreen on the smart key to make it easier and lets drivers lock, unlock, and start their vehicles without ever taking it from their pockets.

If you're considering buying the latest car equipped with a smart key, or if you require the battery in your smart fortwo key replacement key replaced, contact Pop-A-Lock for a fast and easy service. We can replace the battery in any smart key and our mobile locksmiths will help you set the system to make sure your vehicle recognizes it.

Special Cases

While smart keys are not theft-proof, they do help to stop thieves. Smart keys employ rolling security codes to protect against hacking, and when placed in the ignition, the vehicle's computer checks the code in milliseconds. Mercedes-Benz developed this technology, which is now used by luxury car manufacturers.

A smart car replacement key key system will continue to function even if you lose the key in your trunk or leave it in the restaurant. Certain systems will also notify the driver if the battery is depleted. Certain brands provide key covers specifically designed for smart keys to protect the fob from damage.