Vehicle Smart Key Technology

The smart key technology that is found in vehicles lets drivers unlock and start their vehicle by simply touching the door handle, or by putting the key into the pocket. It also allows a variety of other adjustments, including seat positions and internal temperature settings, mirror positioning and stereo presets.

However, this can also cause security issues.

Security

Smart keys are advanced electronic keys that communicate with vehicles via one of the antennas built into the car to unlock doors and start the engine. Contrary to conventional keys, which emit the identical frequency signal each time they are activated, smart car spare key keys transmit encrypted signals that only match the specific vehicle they belong to. This makes it more difficult for thieves with a technological edge to impersonate or intercept the signal and use the key to steal your car.

For example, Mercedes' system -- called Keyless Go -- has an internal transponder which 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 a button on the key is activated.

Furthermore certain smart keyslike those made by BMW -- have individual user settings that let the driver adjust the mirrors, seat and the steering wheel's position and audio preferences at the push of a button. They also come with a backup lock that blocks the vehicle starting without the key.

This technology helps keep drivers from accidentally locking their cars, particularly when they have to search their purse or backpack to locate keys in a parking area filled with strangers or on a busy street with high rates of crime. Some systems also notify motorists when their keys are in danger of being depleted, though this feature varies by manufacturer.

Convenience

If you're in a hurry get to a place, the smart key makes getting into your car as simple as it can be. By pressing the button on the trunk release lever or door handle, you can unlock, lock and begin your vehicle. Popular Mechanics explains that the key fob can be used to track charging location, charging status, and other information about your vehicle.

A major benefit is that you don't be locked out. The key fob communicates with an antenna inside the vehicle to determine if the key is in range. If not, the engine will not start. This will deter thieves from the vehicle and stealing parts of it.

BMW reports that the smart key uses rolling codes, as well as to stop cloning and hacking. A computer within the vehicle recognizes the code and verifies it prior to launching the engine. Many systems also have a mechanical backup that is a key blade that's hidden to enhance the appearance of the.

How Stuff Works Electronics notes that modern smart keys can also detect the key in use and adjust vehicle settings according to the situation. For example, if you turn on the car 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 that will only be applied when the vehicle is started using the selected key, a feature that could be useful if you loan 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, then press the unlock button.

This will prevent your smart key fob from transmitting or receiving any radio signals, which will extend its battery life significantly. You can always restart this feature by pressing the unlock and lock buttons once more.

Some smart keys include anti-theft capabilities that prevent them from being copied by thieves. For example, Mercedes-Benz smart keys use rolling codes to prevent unauthorized access to the vehicle. When the smart key is inserted in the ignition, a computer within the car verifies the code in milliseconds, before beginning the engine. BMW uses a Display Key with a small LCD screen with a color. This allows drivers to lock their cars, unlock their doors, and start the engine without having to take the smart key from their pockets.

Contact Pop-A-Lock if your need to replace the battery on your smart key fob, or if you are thinking of purchasing a car that has a smart-key. Our mobile locksmiths will change the battery of any smart key and assist you set it so that your car can recognize it.

Special Cases

While smart car key programming near me keys are not security-wise, they can be used to discourage thieves. smart car keys replacement key fobs are designed to prevent hackers from gaining access to the system. When they are placed in the ignition of the car, the computer verifies the code in milliseconds. Mercedes-Benz created this technology, which is now used by luxury car manufacturers.

A smart key system will continue to function even if you lose the key in the trunk or leave it at a restaurant. Some systems will also alert the driver if the battery is not fully charged. Some brands offer key covers specifically designed for Smart Key For Car Near Me keys that keep the key safe from harm.