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Vehicle Smart Key Technology

The smart key technology in vehicles allows drivers to unlock and start the car simply by touching the door handle or placing the key in the pocket. It also allows for a variety of other adjustments, such as seat positions and internal temperature settings, mirror positioning and stereo presets.

This can also lead to security worries.

Security

Smart keys are key fobs with computers that communicate with vehicles via one of the antennas that are embedded in the vehicle to unlock doors and start the engine. Smart keys, unlike traditional keys, which emit the same frequency each time they're used, transmit encrypted signals that are compatible with the specific car to which they belong. This makes it difficult for thieves who are tech-savvy to steal or spoof the signal and use the key to steal your car.

Mercedes' Keyless Go system for instance, comes with an internal transponder, which can identify the key of the driver. When the Smart Key comes within 1.5 meters of a car it will automatically unlock the door and tailgate and starts the engine when a button on the key is press.

Additionally, some smart keys -such as those from BMW come with individual user settings that allow the driver to alter the seat, mirrors, the position of the steering wheel as well as audio preferences at the click of one button. They also come with a backup lock, which stops the car from starting if the key is not in the ignition.

This technology helps keep drivers from accidentally locking their car, especially when they have to search their purse or backpack to find keys in a parking area packed with strangers or on a busy street with high crime rates. Many systems also notify drivers when their keys are not fully charged, however this feature is dependent on the manufacturer.

Convenience

The smart key is ideal for those trying to get somewhere. By pressing the button on your trunk release or door handle you can lock, unlock and start your vehicle. Popular Mechanics explains that the key fob can also be used to track charging locations, charging, and other information about your vehicle.

A major benefit is that you won't accidentally get locked out. The key fob communicates with an antenna within the vehicle to determine if the key is in range. If not, the engine will not start. This will stop thieves from absconding with your vehicle and selling its parts.

BMW reports that the smart key makes use of rolling codes in order to stop cloning and hacking. A computer within the vehicle reads the code and checks it prior to launching the engine. Many systems also have a mechanical backup in the form of an unnoticed key blade to serve as a styling tool.

How Stuff Works Electronics notes that modern smart keys be able to detect keys when it is in use and adjust the vehicle settings in accordance with the key's use. For example, if you switch 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 up a speed limit that will only be used when the vehicle is powered by the selected key. This feature could be beneficial if you're lending 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 this feature, hold the lock button, then press the unlock button.

This will block your smart key fob from transmitting or receiving radio waves, which will extend its battery's life by a significant amount. It is possible to reactivate the function by pressing both the lock and unlock buttons again.

Some smart keys have anti-theft features to prevent them from being copied by thieves. Mercedes-Benz smart key uses rolling codes to stop unauthorised access. When the smart key programming near me key is inserted into ignition, a computer inside the car checks the code in milliseconds, before even starting the engine. BMW also has a similar system with its Display Key, which features an LCD touchscreen on the smart forfour key programming key for convenience, and allows drivers to lock, unlock, and start their vehicles without ever taking it from their pockets.

Contact Pop-Alock if you need to replace the battery on your smart key fob considering purchasing a car with smart-key. Our mobile locksmiths can change the battery of any smart key and also help to set it up so that your car can recognize it.

Special Cases

smart roadster key programming keys aren't 100 100% theft-proof, but they aid in deterring thieves. Smart keys use rolling security codes to protect against the hacking of keys, and when they are placed in the ignition, the vehicle's computer checks the code in milliseconds. Mercedes-Benz invented this technology, which is now utilized by luxury car brands.

A smart key system will work even if you don't remember the key in your trunk or leave it in the restaurant. Some systems will alert the driver when the battery is low. Some brands offer key covers that are specifically designed for smart keys, to shield the fob from damage.