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Vehicle Smart Key Technology

The smart key technology in automobiles allows drivers to open and start their vehicle by just touching the door handle, or by putting the key into the pocket. It also allows a variety of other adjustments such as seat position the internal temperature setting and mirror positioning.

However, this could also result in security issues.

Security

Smart keys are key fobs that are computerized which communicate with the vehicle through an embedded antenna to unlock doors and start the motor. Smart key fobs, in contrast to conventional keys that emit the same frequency each time they're used, transmit encrypted signals which are only compatible with the specific car to which they belong to. This makes it more difficult for thieves with the latest technology 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 identifies the driver's keys. The Smart Key automatically unlocks and opens the doors and tailgate when it is within 1.5 meters. It also allows you to start the engine by pressing the key.

Certain smart keys, like the ones from BMW additionally have user-specific settings. These allow users to alter the mirrors, seat, steering wheel position, and audio preferences with the click of a button. They also have an emergency lock that stops the vehicle starting without the key.

This technology can prevent drivers from accidentally locking their vehicles, particularly when they have to search their purse or backpack to locate keys in a parking area 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, but this feature varies from manufacturer manufacturer.

Convenience

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

You shouldn't lock your keys in the Car key locksmith near me. The key fob is connected to an antenna inside the vehicle to determine whether it is within the range. If it's not, the engine won't not start. This will deter thieves from stealing your vehicle and selling its parts.

BMW reports that the smart key employs rolling codes in order to prevent hacking and cloning. A computer inside the vehicle reads the code and validates it prior to launching the engine. Many systems also have a backup mechanical system in the form of the key blade, which is hidden for styling purposes.

How Stuff Works Electronics notes that modern smart keys also detect the key when it is in use and adjust the vehicle settings accordingly. For instance, if you turn on the car while holding the key fob in the palm of your hand, the windows and sunroof will open to let the cabin air dry. You can also set the speed limit to only be applicable when the vehicle is started using the specified key, which can be useful when loaning your car to a novice driver.

Battery Life

If you're looking for a way to get more mileage out of your vehicle's smart car keys replacement 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 make it impossible for your smart key fob to transmit or receive radio waves. This will significantly extend its battery life. You can always reactivate this feature by pressing the unlock and lock buttons once more.

Some smart keys also have anti-theft features that prevent them from being copied by thieves. Mercedes-Benz smart keys use rolling codes to block unauthorized access. The car's computer examines the code in milliseconds after the smart key is introduced. BMW has a similar system with its Display Key, which comes with an LCD touchscreen on the smart key for added convenience, and lets drivers lock or unlock their vehicles without ever taking the key for smart car from their pockets.

If you're thinking of buying a new car that has a smart key, or need your smart key fob's battery replaced, call us at Pop-Alock for a quick and efficient service. We can replace the battery on any smart key, and our mobile locksmiths are able to assist you in setting it up so that your vehicle recognizes it.

Special Cases

smart car key fob replacement keys aren't 100 100% theft-proof, but they assist in preventing thieves. Smart keys utilize rolling security codes to prevent theft, and when placed in the ignition, the vehicle's computer checks the code in milliseconds. This technology was developed by Mercedes-Benz and is now utilized by many high-end car brands.

Another benefit is that the majority of smart key systems will operate even if the user has forgotten the key in the trunk or left it at the restaurant or if it is lost on hiking. Certain systems will also inform the driver if the battery is running low. Certain brands provide key covers specifically designed for smart keys that ensure that the fob is protected from damage.