Vehicle Smart Key Technology

The smart key technology in vehicles lets drivers unlock and start their car by simply pressing the door handle, or putting the key in the pocket. It also enables a range of other adjustments like seat positions and temperature settings inside the car, stereo presets, and mirror positioning.

This could also raise security concerns.

Security

smart car spare key keys are sophisticated key fobs that are computerized and communicate with the vehicle using one of the antennas built into the car to open doors and to start the engine. Smart keys, unlike conventional keys that emit the same frequency each time they're pressed, transmit encrypted signals that are only compatible with the specific car to which they belong. This makes it much more difficult for tech-savvy thieves to fake or intercept the signal and use the key to take your car.

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

Furthermore certain smart keys- like those from BMW -- have individual user settings that allow the driver to alter the seat, mirrors, steering wheel position and audio preferences at the push of one button. They also come with an emergency lock that prevents the vehicle from starting without the key in the ignition.

This technology can prevent drivers from accidentally locking their cars, especially when searching through a purse or backpack to find keys in a parking space filled with strangers or on a busy street with high crime rates. Many systems also notify drivers when their keys are in danger of being depleted, though this feature is different for each manufacturer.

Convenience

The smart key is ideal for those who are on the move and need to get to their destination. You can lock, unlock and start your car simply by pressing the door handle or trunk release. The key fob will also interact with your phone to keep track of charging, location and other information about the vehicle, according to Popular Mechanics.

A big benefit is that you don't lock yourself out. The key fob communicates with an antenna in the vehicle to determine whether it's in range. If it's not, the engine will not start. This will deter thieves from stealing your vehicle and selling parts of it.

BMW reports that the smart key employs rolling codes in order to stop cloning and hacking. The computer in the vehicle is able to recognize and verify the code prior the start of the motor. Most systems also have a backup mechanical system in the form of the key blade, which is hidden to be used for styling purposes.

Modern smart keys can also tell which keys are in use and adjust the vehicle settings as needed, according to How Stuff Works Electronics. For instance, if switch on the car while holding the key fob in your hand, the windows and sunroof can be opened to let the air in the cabin breathe. You can also set an automatic speed limit that will only be in effect when the vehicle is powered by the specified key. This feature could be beneficial if you're lending your vehicle to a person who is not experienced.

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 until you release it and press the unlock button.

This will stop your smart key fob from sending or receiving any radio waves and will increase the battery's life by a significant amount. You can always restart this function by pressing the unlock and lock buttons again.

Certain smart fortwo key replacement keys also come with anti-theft features that prevent them from being copied by thieves. For instance, Mercedes-Benz smart keys use rolling codes to block unauthorized access to vehicles. When the smart key is put in the ignition, a computer in the car checks the code in milliseconds, before starting the engine. BMW uses a similar method with its Display Key, which includes an LCD touchscreen on the smart key repair key to make it easier and allows drivers to lock and unlock their vehicles without ever taking it from their pockets.

If you're thinking about buying an automobile with a smart key, or you need your smart key fob's battery replaced, call Pop-A-Lock to get a quick and easy service. We can replace the battery in any smart key, and our mobile locksmiths are able to help you set the system so that your vehicle can recognize it.

Special Cases

While smart keys aren't theft-proof, they do help to stop thieves. smart car keys replacement keys are designed to keep hackers from hacking into the system. When they are placed in the ignition of the car, the computer verifies the code in milliseconds. This technology was developed by Mercedes-Benz and is now employed by many high-end car brands.

A smart key system will continue to work even if it is not possible to remember the key in your trunk or leave it at an establishment. Certain systems will also inform the driver if the battery is depleted. Certain brands also offer key covers specifically designed for smart car key replacement cost keys that ensure that the fob is protected from damage.