Vehicle Smart Key Technology

Smart keys for vehicles allow the driver to unlock and start the car by grabbing the door handle or putting the key in the pocket. It also allows a variety of other adjustments, such as seat positions and internal temperature settings, stereo presets, and mirror positioning.

However, this can also cause security issues.

Security

Smart keys are highly sophisticated key fobs that are computerized and communicate with the vehicle using one of the antennas in the car to open doors and to start the engine. Smart key fobs, in contrast to conventional keys that emit the same frequency every time they're used, transmit encrypted signals that are only compatible with the vehicle to which they belong to. This makes it more difficult for criminals with a technological edge to intercept or fake the signal and use your key to steal your vehicle.

Mercedes' Keyless Go system for instance, comes with an internal transponder that can identify the key of the driver. The smart car key fob programming Key automatically unlocks and opens the doors and tailgate when it is within 1.5 meters. It also turns on the engine by pressing the key.

Certain smart keys, like those from BMW, also have user-specific settings that allow the driver to alter the mirrors, seat and the steering wheel's position and even audio preferences with the press of a single button. They also come with a backup lock that prevents the vehicle from running without the key.

This technology helps drivers avoid accidentally locking their vehicles, especially when searching in backpacks or purses to find keys in a parking lot with strangers or a busy street where crime is high. Many systems will also inform drivers if the key battery is depleted, though this feature varies by 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 the door handle or trunk release. Popular Mechanics explains that the key fob can be used to track charging or location as well as other information about your vehicle.

It isn't safe to lock your keys in the car. The key fob communicates with an antenna inside the vehicle to determine if it is within the range. If not, the engine will not start. This will deter thieves who may take your vehicle and sell its parts.

The smart key also makes use of rolling codes to prevent hacking attempts and cloning, says BMW. The vehicle's computer can recognize and verify the code prior to launching the motor. Most systems have a mechanical backup system that is a hidden key blade.

Modern smart keys also know the type of key being used and adjust the vehicle settings as needed, according to How Stuff Works Electronics. If you switch on the vehicle while holding the key in your hands, for example the windows as well as the sunroof can be opened to allow fresh air to enter the interior. You can also set the speed limit which will only apply when the vehicle is started using the selected key, which could be helpful when lending your car to a new 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 it, hold the lock button down and then press the unlock button.

This will stop your smart key fob from having to send or receive any radio waves. This will significantly increase the life of your battery. You can always reactivate this function by pressing the unlock and lock buttons again.

Certain smart keys come with anti-theft features to prevent them from being copied by thieves. Mercedes-Benz smart keys use rolling codes to prevent access by anyone who is not authorized to use it. The computer in the car is able to verify the code within milliseconds following the Smart Car Key Not Working key is inserted. BMW makes use of a Display Key with a small LCD screen with a color. This lets drivers lock their cars, unlock them, and then start the engine without having to take the smart key from their pockets.

If you're thinking about buying the latest car equipped with a smart key, or require the battery of your smart key fob replaced, call Pop-A-Lock for a quick and simple service. Our mobile locksmiths can replace the battery on any smart car key case key, and will help you set it up so that your car recognizes it.

Special Cases

Although smart keys aren't secure against theft, they can help to hinder thieves. smart car replacement key key fobs are designed to stop 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 utilized by many automobile brands that are luxury.

A smart key system will continue to work even if you forget the key in your trunk or leave it at an establishment. Some systems will alert the driver when the battery is running low. Certain brands have keys with covers specifically designed for smart keys to guard the fob from damage.