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Vehicle Smart Key Technology

Smart keys for vehicles allow drivers to unlock and start the car by touching the door handle or putting the key in the pocket. It also allows a variety of other adjustments such as seat position, internal temperature settings and mirror position.

However, this could lead to security concerns.

Security

smart car key replacement cost uk keys are advanced computerized key fobs that communicate with vehicles via one of the car's embedded antennas to unlock the doors and to start the engine. Smart keys, unlike conventional keys that emit the same frequency each time they're pulled, transmit encrypted signals which are only compatible with the specific car to which they belong to. This makes it much more difficult for thieves with the latest technology to impersonate or intercept the signal and use the key to steal your car.

For instance, Mercedes' system -- called Keyless Go -- has an internal transponder that can identify the key of the driver. The Smart Key automatically unlocks and opens the doors and tailgate when it is within 1.5 meters. It also begins the engine by pressing a button on its key.

Additionally some smart keys- like those from BMW -- have individual user settings that let the driver adjust the mirrors, seat and the position of the steering wheel as well as audio preferences at the click of a button. They also have a backup lock that keeps the vehicle from starting if the key is not in the ignition.

This technology helps drivers avoid accidentally locking their vehicles, especially when searching in the bag or purse for keys in the parking lot of people who are not familiar with the area or where crime is high. A lot of systems will alert motorists when the battery for their key is not fully charged, though this feature may differ from manufacturer to the manufacturer.

Convenience

If you're in a hurry to get somewhere, the smart key makes getting into your car as simple as possible. You can unlock, lock and start your car simply by pressing the door handle or the trunk release. Popular Mechanics explains that the key fob can also be used to monitor charging, location, and other information about your vehicle.

You can't accidentally lock your keys inside the car. The key fob connects to an antenna inside the vehicle to determine if it's within the range. If it's not, the engine won't start. This can deter thieves who could steal your vehicle to sell the parts.

The smart key also makes use of rolling codes to protect against hacking attempts and cloning, according to BMW. A computer inside the vehicle recognizes the code and validates it before starting the engine. The majority of systems have a mechanical backup in the form of an unnoticed key blade.

Modern smart keys also detect the type of key being used and adjust the car settings in accordance with the key's use, according to How Stuff Works Electronics. For example, if you turn on the car holding the key fob in your palm, the windows and sunroof open to let the cabin air dry. You can also set up a speed limit that will only be used when the vehicle is powered by the specified key. This feature could be useful if you are lending your vehicle to a person who has no prior 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 smart key replacement manufacturer-specific feature called Power Saving Mode. To do this make sure you press and hold the lock button while pressing the unlock button.

This will prevent your smart key fob's smart device from being able to send or receive any radio waves. This will significantly increase the battery's life. It is possible to reactivate the function by pressing the unlock and lock button again.

Some smart keys have anti-theft features that stop them from being copied by thieves. For example, Mercedes-Benz smart keys use rolling codes to block unauthorized access to the vehicle. When the smart key is inserted in the ignition, a computer in the car checks the code in milliseconds prior starting the engine. BMW uses a similar method with its Display Key, which comes with a small LCD color touchscreen on the smart car keys replacement key for convenience and allows drivers to lock, unlock, and start their cars without ever removing it from their pockets.

If you're thinking of buying a new car that has a smart key, or you need the battery in your smart key replaced, contact Pop-A-Lock for a quick and simple service. Our mobile locksmiths will replace the battery on any smart key and help you set it so that your car recognizes it.

Special Cases

Smart keys are not 100 100% secure against theft, but they do help deter thieves. Smart key fobs use rolling security codes to protect against hackers, and when put in the ignition, the vehicle's computer can verify the code within milliseconds. This technology was developed by Mercedes-Benz and is now utilized by many luxury car brands.

Another useful feature is that the majority of smart key systems will continue to function in the event that the user forgets the key in the trunk or left it in a restaurant or lost it during an excursion. Some systems will alert the driver when the battery is running low. Certain brands have key covers specifically designed for smart keys to protect the fob from damage.