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Vehicle Smart Key Technology

The technology of smart keys in vehicles enables drivers to unlock and start their vehicle by simply touching the door handle, or putting the keys in the pocket. It also permits a variety of other adjustments, including seat positions and temperature settings inside the car, stereo presets, and mirror positioning.

However, it could also cause security issues.

Security

Smart keys are computerized key fobs that communicate with vehicles through an embedded antenna to unlock doors and begin the motor. In contrast to conventional keys that emit the same frequency signal every time they are pressed, smart key fobs transmit encrypted signals that only match the car they belong to. This makes it much more difficult for tech-savvy criminals to intercept or fake the signal, and use your key to steal your car.

For instance, Mercedes' system -- called Keyless Go -- has an internal transponder, which identifies the key of the driver. The Smart Key automatically unlocks and opens the doors and the tailgate when it is within 1.5 meters. It also begins the engine by pressing the key.

Certain smart keys, such as those made by BMW and Mercedes-Benz, also come with user-specific settings that permit users to alter the mirrors, seat and steering wheel's location and even the audio settings with the click of a button. They also have a backup lock that prevents the vehicle from starting if it is not connected to the key.

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

Convenience

If you're in a hurry to get to a place the smart key makes entering your vehicle as easy as it can be. 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 location, charging status, and other vehicle information.

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

The smart key also makes use of rolling codes to prevent hacking attempts and cloning, according to BMW. The computer in the vehicle can recognize and verify the code before starting the motor. Most systems have a mechanical back-up in the form an unnoticed key blade.

How Stuff Works Electronics notes that modern smart keys can also detect when the key is when it is in use and adjust the vehicle settings according to the situation. For instance, if you turn on the car while holding the key fob in your hands the windows and the sunroof are opened to let the air in the cabin breathe. You can also set a speed limit that will only be applied when the vehicle is started with the selected key, a feature that can be useful when loaning 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, press down the lock button and press the unlock button.

This will prevent your smart key fob's ability to send or receiving radio waves that could extend its battery's lifespan significantly. You can always restart the function by pressing both the lock and unlock buttons again.

Some smart car key replacement keys have anti-theft features to prevent them from being stolen by thieves. Mercedes-Benz smart key uses rolling codes to stop the unauthorized access. When the smart key is inserted in the ignition, a computer inside the car checks the code in milliseconds, before beginning the engine. BMW also has a similar system with its Display Key, which has a small LCD color touchscreen on the smart key for added convenience and lets drivers lock, unlock, and start their vehicles without ever taking it from their pockets.

Contact Pop-A-Lock if your need to replace the battery in your smart key fob, or in the event that you are thinking of buying a car with a smart-key. We can replace the battery in any smart key, and our mobile locksmiths can assist you in setting the system so that your vehicle can recognize it.

Special Cases

While smart key programing keys aren't safe from theft, they do assist to hinder thieves. smart car key coding; click through the next internet site, keys employ rolling security codes to prevent the hacking of keys, and when they are placed in the ignition, the car's computer can verify the code within milliseconds. This technology was invented by Mercedes-Benz and is currently used by a variety of luxury car brands.

A smart key system will work even if it is not possible to remember the key in the trunk or leave it at a restaurant. Certain systems will also inform the driver when the battery is depleted. Certain brands have key covers designed specifically for smart keys to protect the fob from damage.