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Vehicle Smart Key Technology

The smart key technology that is found in vehicles enables drivers to unlock and start their car by just touching the door handle, or placing the key into the pocket. It also allows a variety of other adjustments, like seating positions and temperature settings inside the car, mirror position and stereo presets.

However, it could also cause security issues.

Security

Smart keys are sophisticated key fobs with computers that communicate with vehicles via one of the antennas built into the car to open 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 vehicle to which they belong. This makes it more difficult for criminals with a technological edge to spoof or intercept the signal, and then use your key to steal your car.

For instance, Mercedes' system -- called Keyless Go -- has an internal transponder that identifies the driver's keys. When the Smart Key comes within 1.5 meters of a vehicle it will automatically unlock the door and tailgate and starts the engine when a button on the key is pressed.

Additionally some smart keyssuch as those from BMW have their own user settings that let the driver adjust seat, mirrors and the steering wheel's position and audio preferences with the click of the button. They also come with the backup lock, which stops the vehicle from starting without the key.

This technology stops drivers from not locking their cars properly especially when looking in a purse or a backpack for keys on a parking lot with people who are not familiar with the area or where crime is high. Many systems will also inform drivers when the battery of their key is low, though this feature varies by the manufacturer.

Convenience

If you're in a hurry get somewhere, the smart key replacement near me key makes entering your vehicle as easy as it can be. By pressing the button on your trunk release or door handle you can lock, unlock and start your vehicle. The key fob will also communicate with your smartphone to track charging, location and other information about the vehicle, says Popular Mechanics.

You shouldn't lock your keys in the car. The key fob communicates with an antenna in the vehicle to determine if it's in range. If it's not, the engine will not start. This can deter thieves who might steal your vehicle to sell its parts.

The smart key also makes use of rolling codes to deter hacking attempts as well as cloning, according BMW. The computer in the vehicle recognizes and verifies the code prior the start of the motor. Many systems also have a mechanical backup that is an invisible key blade to serve as a styling tool.

Modern smart keys also know which key is in use and adjust the settings of the vehicle as needed, according to How Stuff Works Electronics. If you turn on your vehicle while holding the key in your hand, for example windows and sunroof will open to allow air circulation to the interior. You can also set the speed limit to only apply when the vehicle is started using the specified key, a feature that can be useful when loaning your vehicle 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, press the lock button down and then press the unlock button.

This will block your Smart 450 key programming key fob from sending or receiving any radio signals, which will extend its battery's life by a significant amount. You can always restart this function by pressing the unlock and lock buttons once more.

Certain smart keys also have anti-theft capabilities that protect them from being copied by thieves. For instance, Mercedes-Benz smart keys use rolling codes to prevent unauthorized vehicle access. The car's computer is able to verify the code within milliseconds following the smart key is introduced. BMW offers a similar system with its Display Key, which has a small LCD color touchscreen on the smart key to make it easier and allows drivers to lock or unlock their cars without ever removing it from their pockets.

If you're thinking of buying a new car that has a smart key, or require your smart car key replacement cost uk key fob's battery replaced, call Pop-A-Lock for a fast and easy service. We can replace the battery on any smart car replacement key key and our mobile locksmiths can assist you in setting the system so that your vehicle recognizes it.

Special Cases

Smart keys aren't% theft-proof but they can help deter thieves. Smart keys employ rolling security codes to protect against theft, and when placed in the ignition, the car smart key replacement's computer can verify the code within milliseconds. Mercedes-Benz created this technology, which is currently 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 at an establishment. Certain systems will notify the driver when the battery is not fully charged. Certain brands also offer keys with covers specifically designed for smart keys, to shield the fob from damage.