Vehicle Smart Key Technology

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

However, this can also result in security issues.

Security

Smart keys are advanced electronic keys that communicate with the vehicle using one of the car's embedded antennas to unlock doors and begin the engine. Smart key fobs, as opposed to traditional keys that emit the same frequency every time they're used, transmit encrypted signals which are only compatible with the particular car to which they belong. This makes it harder for criminals with a technological edge to spoof or intercept the signal, and use your key to steal your car.

For instance, Mercedes' system -- called Keyless Go -- has an internal transponder which can identify the key of the driver. When the smart car key replacement cost Key comes within 1.5 meters of a vehicle it will automatically unlock the tailgate and door and the engine will start when a button on the key is pressed.

Some smart keys, like the ones from BMW additionally have user-specific settings. These allow drivers to alter the seat, mirrors and steering wheel's position and even audio preferences with the touch of a single button. They also come with an emergency lock that stops the car from starting if the key is not in the ignition.

This technology can prevent drivers from accidentally locking their car, especially when searching through a purse or backpack to locate keys in a parking lot filled with strangers or on an area with high crime rates. Many systems will also alert drivers if the key battery is not fully charged, though this feature varies from manufacturer manufacturer.

Convenience

The new smart car key key is perfect for those who are in a rush to get to their destination. By pressing the button on the trunk release or door handle, you can unlock, lock and begin your vehicle. The key fob can also connect to your phone to track charging, location and other data about the vehicle, says Popular Mechanics.

It isn't safe to lock your keys in the car. The key fob connects to an antenna inside the vehicle to determine if it is within the range. If it's not in range, the engine will not start. This is a deterrent to thieves who would take your vehicle and sell the parts.

The smart car key supplier key also makes use of rolling codes to ward off hacking attempts and cloning, according to BMW. A computer within the vehicle reads the code and confirms it before starting the engine. Most systems also have a backup mechanical system in the form of an invisible key blade to serve as a styling tool.

How Stuff Works Electronics notes that modern smart keys can also detect the keys in use and adjust vehicle settings accordingly. If you switch on the vehicle while holding the key in your palm, for example the windows as well as the sunroof will be opened to let air circulate the interior. You can also set an automatic speed limit that will only be in effect when the car is powered by the selected key. This feature could be useful if you are lending 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, hold the lock button until you release it and press the unlock button.

This will stop your smart key fob's ability to send or receiving any radio signals that could extend its battery's life considerably. You can always activate the function by pressing both the unlock and lock buttons again.

Some smart keys also have anti-theft functions that stop them from being copied by thieves. Mercedes-Benz smart car key repair keys employ rolling codes to stop the unauthorized access. The car's computer is able to verify the code within milliseconds following the smart key is introduced. BMW uses a Display Key with a small LCD screen with a color. This lets drivers lock their cars, open their doors, and start the engine without having to take the smart key from their pocket.

If you're considering purchasing an automobile with a smart key, or require your smart car key fob programming key fob's battery replaced, contact Pop-A-Lock for a quick and simple service. Our mobile locksmiths can replace the battery on any smart key and assist to set it up so that your car can recognize it.

Special Cases

Smart keys are not 100 100% theft-proof, but they assist in preventing thieves. Smart keys utilize rolling security codes to avoid the hacking of keys, and when they are placed in the ignition, the vehicle's computer can verify the code within milliseconds. This technology was developed by Mercedes-Benz and is now employed by many premium car brands.

Another benefit is that many smart key systems will operate even if the user has forgotten the key in the trunk or left it at the restaurant or if it is lost on hiking. Some systems will alert the driver when the battery is low. Some brands offer keys with covers specifically designed for smart keys to protect the fob from damage.