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Vehicle Smart Key Technology

Smart keys in vehicles allow a driver to unlock and start the car by grabbing the door handle or placing the key in the pocket. It also permits many other adjustments like seat position as well as internal temperature settings and mirror positioning.

However, this could cause security issues.

Security

Smart keys are sophisticated electronic keys that communicate with the vehicle using one of the antennas in the car to open doors and start the engine. Smart key fobs, as opposed to conventional keys that emit the same frequency each time they're used, transmit encrypted signals that are compatible with the particular car to which they belong. This makes it harder for thieves who are tech-savvy to steal or spoof the signal and use the key to take your car.

For instance, Mercedes' system -known as Keyless Go -- has an internal transponder which can identify the driver's key. 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.

Certain smart keys, like those from BMW, also have user-specific settings. These allow the driver to adjust the seat, mirrors, steering wheel position, and audio preferences at the touch of a single button. They also come with a backup lock that stops the car from starting if the key is not in the ignition.

This technology can prevent drivers from accidentally locking their cars, particularly when searching through a purse or backpack to find keys in a parking lot full of strangers or in a busy street with high rates of crime. Many systems also notify drivers when their keys are running low on battery, but this feature is different for each manufacturer.

Convenience

If you're in a hurry get somewhere the smart key makes getting into your car as simple as it can be. By pressing the button on the trunk release or door handle, you can open, lock and begin your vehicle. Popular Mechanics explains that the key fob can also be used to monitor charging locations, charging, and other information about your vehicle.

The main benefit is that you won't accidentally lose your keys. The key fob is connected to an antenna inside the vehicle to determine if it is within the range. If it's not, the engine won't not start. This will deter thieves who could take your vehicle and sell the parts.

The smart key uses rolling codes to ward off hacking attempts as well as cloning, according BMW. The vehicle's computer is able to recognize and verify the code before starting the motor. Most systems have a physical backup in the form of an invisible key blade.

How Stuff Works Electronics notes that modern smart key programing keys also detect the keys being used and adjust the vehicle settings in accordance with the key's use. If you start the vehicle while holding the key in your hand for instance windows and the sunroof will be opened to let air circulate the interior. You can also set an upper limit on speed that will only be applied when the vehicle is started using the chosen key, which could be useful if you loan your car to an inexperienced driver.

Battery Life

If you're looking for a way to get more mileage out of your vehicle's smart 450 key programming key, or just want to make sure it won't die during a trip to the grocery store, you can activate an auto smart key replacement manufacturer-specific feature called Power Saving Mode. To activate it, hold the lock button, then press the unlock button.

This will stop your smart key fob's smart device from being able to send or receive any radio waves. This will significantly increase the life of your battery. You can always reactivate the function by pressing the lock and unlock buttons again.

Certain smart keys have anti-theft features that prevent them from being copied by thieves. For example, Mercedes-Benz smart keys use rolling codes to block unauthorized vehicle access. When the smart key is put in the ignition, a computer within the car confirms the code in milliseconds prior to even starting the engine. BMW offers a similar system with its Display Key, which features an LCD touchscreen on the smart key for added convenience, and lets drivers lock and unlock their cars without ever removing the key from their pockets.

Contact Pop-A-Lock if your need to replace the battery in your smart car key Case (imoodle.win) key fob should you be thinking of purchasing a car that has a smart-key. Our mobile locksmiths can replace the battery on any smart key and help you set it up so that your car can recognize it.

Special Cases

replacement smart key keys aren't 100% safe from theft, but they can help deter thieves. Smart key fobs are designed to deter hackers from gaining access to the system. When they are placed in the ignition of the vehicle the computer checks the code in milliseconds. This technology was invented by Mercedes-Benz and is now utilized by a number of 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. Certain systems will also notify the driver if the battery is depleted. Some brands offer key covers specifically designed for smart keys to guard the fob from damage.