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Vehicle smart car Key programming Key Technology

Smart keys for vehicles allow drivers to open and start the car by pressing the door handle or placing the key in the pocket. It also allows for many other adjustments such as seat position the internal temperature setting and mirror position.

However, this could lead to security concerns.

Security

Smart keys are highly sophisticated key fobs that are computerized and communicate with a vehicle via one of the antennas that are embedded in the vehicle to open the doors and start the engine. smart fortwo key replacement key fobs, in contrast to traditional keys that emit the same frequency every time they're used, transmit encrypted signals that are compatible with the particular car to which they belong to. This makes it more difficult for tech-savvy thieves to steal or spoof the signal and use the key to steal your car.

For instance, 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 tailgate when it is within 1.5 meters. It also allows you to start the engine by pressing a button on its key.

Additionally certain smart keyssuch as those from BMW -- have individual user settings that allow the driver to adjust seat, mirrors and the steering wheel's position as well as audio preferences at the click of a button. They also have an emergency lock that stops the vehicle starting without the key.

This technology helps keep drivers from locking their cars, 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. A lot of systems will also notify drivers when their keys are low on battery, although this feature varies by manufacturer.

Convenience

If you're in a hurry to get to a place the smart key makes entering your car as simple as possible. By pressing the button on the trunk release or door handle, you can open, lock and start your vehicle. The key fob will interact with your phone to keep track of charging, location and other data regarding the vehicle, as explained by Popular Mechanics.

A major benefit is that you aren't able to accidentally be locked out. The key fob communicates with an antenna inside the vehicle to determine if it's within the range. If it's not, the engine won't start. This helps deter would-be thieves who may steal your car to sell its parts.

The smart key also employs rolling codes to deter hacking attempts and cloning, says BMW. The computer in the vehicle can recognize and verify the code before starting the motor. 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 used and adjust the car settings in line with the use of the key. If you start the vehicle while holding the key in your hands, for example the windows as well as the sunroof will open to allow air circulation to the interior. You can also set the speed limit which will only be applied when the vehicle is started with the selected key, which could 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 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 simply press and hold the lock button while pressing the unlock button.

This will block your replacement smart car key key fob's smart device from being able to transmit or receive radio waves. This will dramatically extend its battery life. You can always activate the function by pressing the lock and unlock buttons again.

Certain smart keys come with anti-theft features that stop them from being copied by thieves. Mercedes-Benz smart car key replacement near me keys use rolling codes to stop unauthorized access. When a smart key is inserted into ignition, a computer in the car confirms the code in milliseconds prior even starting the engine. BMW has a similar system with its Display Key, which has an LCD touchscreen on the smart key for convenience and enables drivers to lock, unlock, and start their cars without ever removing the key from their pockets.

If you're considering purchasing a new car with a smart key, or if you require the battery in your smart key fob 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 will help you set it up so that your vehicle can recognize it.

Special Cases

While smart keys are not secure against theft, they can help to discourage thieves. Smart keys employ rolling security codes that prevent hackers, and when put in the ignition, the car's computer validates the code within milliseconds. This technology was developed by Mercedes-Benz and is now used by a number of premium car brands.

A smart key system will continue to function even if you lose the key in the trunk or leave it in a restaurant. Certain systems will also inform the driver when the battery is not fully charged. Certain brands also offer key covers specifically designed for smart keys. They ensure that the fob is protected from harm.