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Vehicle smart car key programming (simply click the up coming document) Key Technology

The smart key technology in vehicles enables drivers to unlock and start their car by simply pressing the door handle or putting the key in the pocket. It also allows a variety of other adjustments, including the position of the seat, internal temperature settings and mirror position.

This could also raise security concerns.

Security

Smart keys are highly sophisticated key fobs that are computerized and communicate with the vehicle using one of the antennas in the car to open doors and to start the engine. As opposed to traditional keys, which emit the same frequency signal each time they are activated, smart keys transmit encrypted signals that are only compatible with the car they belong to. This makes it difficult for thieves with advanced technology to intercept or fake the signal and use your key to steal your car.

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

Certain smart keys, such as the ones from BMW, also have user-specific settings that allow the driver to alter the mirrors, seat and the steering wheel's position and audio preferences with the click of a button. They also have an emergency lock that stops the vehicle from running without the key.

This technology prevents drivers from locking their car, especially when searching through a purse or backpack to find keys in a parking space packed with strangers or on an area with high rates of crime. Some systems will also notify drivers when the battery in their keys is depleted, though this feature may differ from manufacturer to the manufacturer.

Convenience

The smart key is perfect for those on the move and need to get to their destination. By pressing the button on your trunk release lever or door handle, you can open, lock and get into your vehicle. Key fobs can also communicate with your smartphone to track charging locations, charging times and other details about the vehicle, says Popular Mechanics.

You don't want to accidentally lock your keys inside the car. The key fob communicates to an antenna inside the vehicle to determine whether it is within range. If not, the engine will not start. This helps deter would-be thieves who may steal your vehicle to sell the parts.

BMW reports that the smart key employs rolling codes to stop cloning and hacking. A computer in the vehicle recognizes the code and validates it before starting the engine. Most systems have a mechanical back-up in the form an unnoticed key blade.

How Stuff Works Electronics notes that modern smart key for cars keys can also detect when the key is being used and adjust the vehicle settings accordingly. For instance, if switch on the car while holding the key fob in your palm the windows and sunroof will open to let the cabin air dry. You can also set the speed limit to only be used when the vehicle is powered by the specified key. This feature is useful if you're loaning your vehicle to a person who has little 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 you need to press and hold the lock button while pressing the unlock button.

This will block your smart key fob's ability to send or receiving any radio signals and will increase the battery's life by a significant amount. You can always activate the function by pressing both the unlock and lock buttons again.

Some smart car spare key keys include anti-theft features to prevent them from being copied by thieves. Mercedes-Benz smart keys employ rolling codes to block unauthorised access. When the smart car key not working key is inserted in the ignition, a computer in the car validates the code in milliseconds prior to even starting the engine. BMW uses a Display Key with a small LCD color screen. This lets drivers lock their cars, unlock their doors, and start them without removing the smart key from their pockets.

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

Special Cases

Smart keys aren't% theft-proof but they can help deter thieves. Smart keys employ rolling security codes to prevent the hacking of keys, and when they are placed in the ignition, the vehicle's computer validates the code within milliseconds. Mercedes-Benz invented this technology, which is currently used by luxury car brands.

A smart key system will continue to work even if you don't remember the key in the trunk or leave it at the restaurant. Some systems will also alert the driver if the battery is depleted. Certain brands provide key covers specifically made for smart keys that ensure that the fob is protected from damage.