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Vehicle Smart Key Technology

Smart keys for vehicles allow the driver to unlock and start the car by pressing the door handle or placing the key in the pocket. It also allows for a variety of other adjustments, such as seating positions and internal temperature settings, stereo presets and mirror positions.

However, this could result in security issues.

Security

Smart keys are sophisticated computerized key fobs that communicate with a vehicle via one of the antennas that are embedded in the vehicle to open doors and to start the engine. Smart key fobs, as opposed to traditional keys that emit the same frequency each time they're pressed, send encrypted signals which are only compatible with the vehicle to which they belong. This makes it much more difficult for tech-savvy criminals to intercept or spoof the signal, and then use your key to steal your car.

For example, Mercedes' system -- called 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 automatically unlocks the door and tailgate, and the engine starts when a button on the key is press.

Some smart keys, such as the ones from BMW additionally have user-specific settings that allow the driver to alter the mirrors, seat and steering wheel's location and even the audio settings with the touch of a single button. They also have a backup lock, which keeps the vehicle from starting if the key is not in the ignition.

This technology prevents drivers from being unable to lock their vehicle, especially when searching in bags or purses to find keys in an open parking lot with strangers or on a busy street where crime is high. Many systems also notify drivers when their keys are in danger of being depleted, though this feature differs by manufacturer.

Convenience

The smart key is perfect for those in a hurry to get somewhere. By pressing the button on your trunk release or door handle you can unlock, lock and begin your vehicle. The key fob will interact with your phone to track charging locations, charging times and other details about the vehicle, according to Popular Mechanics.

A major benefit is that you won't accidentally lock yourself out. The key fob communicates with an antenna inside the vehicle to determine whether it's in range. If it's not, the engine will not start. This will stop thieves from taking your vehicle and then selling parts of it.

The smart key also uses rolling codes to protect against hacking attempts and cloning, says BMW. The vehicle's computer can recognize and verify the code prior the start of the motor. Most systems have a physical backup system in the form of an unnoticed key blade.

Modern smart keys also recognize which key is in use and adjust the vehicle settings in line with the use of the key, says How Stuff Works Electronics. If you turn on your vehicle while holding the key in your hand for instance the windows as well as the sunroof will open to ventilate the interior. You can also set the speed limit which will only apply when the vehicle is started using the selected key, a feature that could 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 smart key replacement manufacturer-specific feature called Power Saving Mode. To activate it you need to press and hold the lock button while pressing the unlock button.

This will block your smart key fob from transmitting or receiving radio waves and will increase the battery's life by a significant amount. You can always activate the function by pressing the lock and unlock buttons again.

Certain smart keys come with anti-theft functions that prevent them 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 locksmith near me key is put in. BMW also has a similar system with its Display Key, which has an LCD touchscreen on the smart key for added convenience, and enables drivers to lock, unlock, and start their cars without ever removing it from their pockets.

Call Pop-A-Lock if you need to replace the battery in your smart key fob, or should you be thinking of purchasing a car with smart-key. We can replace the battery on any smart fortwo key fob key and our mobile locksmiths are able to help you set the system so that your vehicle recognizes it.

Special Cases

While smart keys aren't safe from theft, they do assist to deter thieves. Smart keys use rolling security codes to protect against theft, and when placed in the ignition, the car's computer validates the code within milliseconds. This technology was developed by Mercedes-Benz and is now used by many automobile brands that are luxury.

Another benefit is that the majority of smart car smart key programming near me key programmer (https://timeoftheworld.date/wiki/Why_You_Should_Concentrate_On_Improving_Vehicle_Smart_Key) key systems will continue to operate if the user forgot the key in the trunk or left it at an eatery or lost it on a hike. Some systems will alert the driver when the battery is not fully charged. Certain brands have keys with covers specifically designed for smart keys to guard the fob from damage.