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15 Interesting Facts About Smart Car Key Programming That You Never Knew
Vehicle Smart Key Technology

Smart keys in vehicles allow drivers to open and start the car simply by touching the door handle or putting the key in the pocket. It also allows many other adjustments including seat position as well as internal temperature settings and mirror position.

However, smart car key replacement near me can also result in security issues.

Security

Smart keys are sophisticated electronic keys that communicate with a vehicle via one of the car's embedded antennas to open doors and start the engine. Smart key fobs, as opposed to traditional keys that emit the same frequency every time they're pressed, transmit encrypted signals that are compatible with the vehicle to which they belong. This makes it harder for tech-savvy thieves to fake or intercept the signal and use the key to steal your car.

For example, Mercedes' system -known as Keyless Go -- has an internal transponder that identifies the driver's keys. The Smart Key automatically unlocks and opens the doors and the tailgate when it is within 1.5 meters. It also starts the engine by pressing the key.


Furthermore there are smart keys thatsuch as those from BMW come with individual user settings that let the driver adjust the seat, mirrors and the steering wheel's position and audio preferences at the push of a button. They also have a backup lock that prevents the vehicle starting without the key.

This technology can prevent drivers from locking their vehicles, particularly when they are rummaging through their purses or backpack for keys in a parking lot full of strangers or in an area with high crime rates. Some systems also notify motorists when their keys are not fully charged, however this feature is different for each manufacturer.

Convenience

If you're in a hurry to get to a place, the smart key makes entering your vehicle as simple as possible. By pressing the button on the trunk release or door handle you can unlock, lock and start your vehicle. Key fobs can also connect to your phone to keep track of charging and location as well as other information regarding the vehicle, as explained by Popular Mechanics.

You don't want to accidentally lock your keys in the car. The key fob communicates with an antenna in the vehicle to determine if it's within range. If it's not, the engine won't start. This is a deterrent to thieves who may steal your car to sell the parts.

BMW reports that the smart key uses rolling codes, as well as to prevent hacking and cloning. The computer in the vehicle can recognize and verify the code prior to launching the motor. Many systems also have a backup mechanical system in the form of an invisible key blade to be used for styling purposes.

How Stuff Works Electronics notes that modern smart keys also detect the keys when it is in use and adjust the vehicle settings according to the situation. For instance, if you switch on the car while holding the key fob in your hands, the windows and the sunroof are opened to let the cabin air dry. You can also set an automatic speed limit that will only be activated when the car is powered by the selected key. This feature is useful if you're loaning your vehicle to a driver with no experience.

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's smart chip from sending or receiving radio waves which will increase its battery's life by a significant amount. You can always activate this feature by pressing the unlock and lock buttons again.

Certain smart keys also come with anti-theft features that prevent them from being copied by thieves. Mercedes-Benz smart keys employ rolling codes to stop unauthorized access. When the smart key is inserted in the ignition, a computer within the car verifies the code in milliseconds before it starts the engine. BMW makes use of a Display Key that has a small LCD color screen. This allows drivers to lock their cars, open them, and then start them without having to remove the smart key from their pockets.

If you're thinking of buying a new car that has a smart key, or you need the battery in your smart key fob 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

Although smart keys aren't theft-proof, they do help to deter thieves. Smart keys utilize rolling security codes to protect against the hacking of keys, and when they are placed in the ignition, the vehicle's computer validates the code within milliseconds. This technology was developed by Mercedes-Benz and is now utilized by many premium car brands.

Another great feature is that most smart key systems will continue to work even if a user forgot the key in the trunk, left it at the restaurant, or lost it on the trail. Certain systems will notify the driver when the battery is not fully charged. Certain brands also offer key covers specifically designed for smart keys to protect the fob from damage.