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Vehicle Smart Key Technology

Vehicle smart key technology allows the driver to unlock and start the car by pressing the door handle or putting the key in the pocket. It also permits various other adjustments such as the position of the seat as well as internal temperature settings and mirror positioning.

However, this could also lead to security concerns.

Security

Smart keys are sophisticated electronic keys that communicate with the vehicle using one of the antennas that are embedded in the vehicle to unlock the doors and begin the engine. Smart keys, unlike conventional keys that emit the same frequency every time they're pressed, transmit encrypted signals that are compatible with the specific car to which they belong to. This makes it harder for tech-savvy thieves 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 key of the driver. When the Smart Key comes within 1.5 meters of a car it automatically unlocks the door and tailgate and starts the engine when a button on the key is pressed.

Additionally, some smart keys -- like those from BMW have their own user settings that let the driver adjust seat, mirrors and the position of the steering wheel as well as audio preferences with the click of one button. They also have a backup lock that prevents the vehicle from starting if the key is not in the ignition.

This technology protects drivers from accidentally locking their vehicles, especially when searching in backpacks or purses for keys on parking lots with strangers or a busy street where crime is high. Some systems will also notify drivers if the key battery is low, but this feature varies from manufacturer manufacturer.

Convenience

If you're in a hurry to get to a place, the smart key makes getting into your vehicle as easy as it can be. You can unlock, lock and start your car by pressing a button on the door handle or the trunk release. Key fobs can also interact with your phone to keep track of charging locations, charging times and other details regarding the vehicle, as explained by Popular Mechanics.

It isn't safe to lock your keys inside the car smart key. The key fob communicates with an antenna in the vehicle to determine if it's within range. If it's not, the engine will not start. This will deter thieves from taking your vehicle and then selling its parts.

BMW reports that the smart key uses rolling codes to protect against hacking and cloning. A computer inside the vehicle recognizes the code and checks it prior to launching the engine. A majority of systems also have a backup mechanical system in the form of an unnoticed key blade to enhance the appearance of the.

how much is a replacement smart car key Stuff Works Electronics notes that modern smart keys also detect the key in use and adjust vehicle settings in accordance with the key's use. If you start the vehicle while holding the key in your palm for instance windows and sunroof will open to ventilate the interior. You can also set the speed limit to only be activated when the car is powered by the selected key. This feature can be beneficial if you're lending your vehicle to a person 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 do this make sure you press and hold the lock button while pressing the unlock button.

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

Certain smart keys have anti-theft functions that stop them from being copied by thieves. Mercedes-Benz smart keys utilize rolling codes to prevent unauthorised access. When a smart key is put in the ignition, a computer inside the car checks the code in milliseconds prior to starting the engine. BMW offers a similar system with its Display Key, which includes an LCD touchscreen on the smart key to make it easier, and enables drivers to lock or unlock their vehicles without ever taking the key from their pockets.

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

Special Cases

While smart keys are not secure against theft, they can help to stop thieves. Smart keys use rolling security codes to avoid the hacking of keys, and when they are placed in the ignition, the vehicle's computer verifies the code within milliseconds. This technology was invented by Mercedes-Benz and is now used by a variety of premium car brands.

A smart key system will continue to work even if you forget the key in your trunk or leave it in the restaurant. Certain systems will also inform the driver if the battery is depleted. Certain brands have key covers specifically designed for smart keys that protect the fob from damage.