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Vehicle smart keys for cars Key Technology

The smart key technology found in vehicles enables drivers to unlock and start their vehicle by just touching the door handle, or putting the key in the pocket. It also allows for a variety of other adjustments like seats positions, internal temperature settings, mirror position and stereo presets.

This could also raise security worries.

Security

Smart keys are advanced key fobs with computers 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 key fobs, unlike traditional keys that emit the same frequency each time they're pressed, transmit encrypted signals that are only compatible with the vehicle to which they belong. This makes it much more difficult for thieves with the latest technology to steal or spoof the signal and use the key to steal your car.

For example, Mercedes' system -known as Keyless Go -- has an internal transponder that can identify the driver's key. When the smart key Replacement near me Key comes within 1.5 meters of a car it instantly unlocks the tailgate and door and the engine will start when the key's button is pressed.

Certain smart keys, like those made by BMW and Mercedes-Benz, also come with user-specific settings. These allow users to alter the seat, mirrors and the steering wheel's position and audio preferences at the press of a single button. They also have a backup lock that prevents the vehicle from starting without the key in the ignition.

This technology prevents drivers from accidentally locking their cars, especially when searching through a purse or backpack to locate 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 keys are running low on battery, but this feature differs by manufacturer.

Convenience

The smart key is ideal for those who are trying to get to their destination. You can lock, unlock and start your car by pressing a button on the door handle or the trunk release. The key fob can also communicate with your smartphone to keep track of charging and location as well as other information about the vehicle, says Popular Mechanics.

You can't accidentally lock your keys inside the car. The key fob communicates with an antenna in 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 would take your vehicle and sell the parts.

The smart fortwo key replacement key also employs rolling codes to deter hacking attempts as well as cloning, according BMW. A computer in the vehicle recognizes the code and confirms it before starting the engine. Many systems also have a mechanical backup in the form of an invisible key blade to serve as a styling tool.

How Stuff Works Electronics notes that modern smart keys also detect when the key is being used and adjust the vehicle settings in accordance with the key's use. For instance, if you turn on the car while holding the key fob in the palm of your hand, the windows and sunroof can be opened to let air circulate through the cabin. You can also set an upper limit on speed that will only apply when the vehicle is started with the selected key, a feature that can 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, hold down the lock button and press the unlock button.

This will stop your smart car key reprogramming key fob's ability to send or receiving radio signals, which will extend its battery's lifespan significantly. It is possible to reactivate the function by pressing both the unlock and lock buttons again.

Certain smart keys also have anti-theft features that prevent them from being copied by thieves. Mercedes-Benz smart keys use rolling codes to stop unauthorised access. The computer in the car examines the code in milliseconds after the smart key is placed. BMW uses a Display Key with a small LCD screen with a color. This lets drivers lock their cars, unlock them, and even start them without taking the smart key from their pocket.

Contact Pop-Alock if you need to replace the battery in your smart key fob if you are thinking of purchasing a vehicle with a smart-key. We can replace the battery in any smart key and our mobile locksmiths can help you set the system so that your vehicle recognizes it.

Special Cases

smart fortwo key programming keys are not 100 100% safe from theft, but they can help deter thieves. Smart key fobs use rolling security codes that prevent theft, and when placed in the ignition, the car's computer verifies the code within milliseconds. This technology was invented by Mercedes-Benz and is now employed by a number of premium car brands.

Another helpful feature is that the majority of smart key systems will continue to operate even if the user has forgotten the key in the trunk or left it at an eatery or lost it on the trail. Certain systems will also inform the driver when the battery is depleted. Certain brands also offer keys with covers specifically designed for smart forfour key keys to guard the fob from damage.