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Vehicle Smart Key Technology

The smart key technology in vehicles allows drivers to unlock and start the car by touching the door handle or placing the key in the pocket. It also enables a range of other adjustments like seats positions, internal temperature settings, stereo presets and mirror positions.

However, this can also lead to security concerns.

Security

Smart keys are computerized key fobs that communicate with a vehicle via one of the antennas built into the car to open the doors and start the engine. smart key replacement key fobs, as opposed to conventional keys that emit the same frequency every time they're pulled, transmit encrypted signals that are only compatible with the vehicle to which they belong to. This makes it more difficult for thieves with a technological edge to fake or intercept the signal and use the key to take your car.

For example, Mercedes' system -known as Keyless Go -- has an internal transponder that can identify the driver's key. The Smart Key automatically unlocks and opens the doors and tailgate when it is within 1.5 meters. It also starts the engine by pressing the key.

Some smart keys, such as those made by BMW additionally have user-specific settings. These allow the driver to adjust the mirrors, seat and the steering wheel's position and even the audio settings with the press of a single button. They also have a backup lock that prevents the vehicle from starting if the key is not in the ignition.

This technology prevents drivers from not locking their cars properly and causing damage to their vehicle, particularly when searching a purse or a backpack for keys in a parking lot with strangers, or on a street where crime is high. Many systems will also alert motorists when the battery for their key is not fully charged, though this feature may differ from manufacturer to manufacturer.

Convenience

The smart Car key programming key is ideal for those in a rush to get somewhere. By pressing the button on your trunk release lever or door handle, you can open, lock and open your vehicle. The key fob will connect to your phone to track charging locations, charging times and other details about the vehicle, says Popular Mechanics.

A big benefit is that you can't accidentally get locked out. The key fob communicates with an antenna within the vehicle to determine whether it's in range. If not, the engine will not start. This can deter thieves who might steal your vehicle in order to sell the parts.

The smart key also makes use of rolling codes to deter hacking attempts as well as cloning, according BMW. A computer in the vehicle reads the code and checks it prior to launching the engine. The majority of systems have a mechanical backup system in the form of an unnoticed key blade.

how much is a replacement smart car key Stuff Works Electronics notes that modern smart keys also detect when the key is being used and adjust the vehicle settings accordingly. If you switch on the vehicle while holding the key in your palm for instance windows and the sunroof will open to allow air circulation to the interior. You can also set a speed limit that will only be applied when the vehicle is started using the specified key, a feature that could be helpful when lending your car to a new driver.

Battery Life

If you're looking for a way to get more mileage out of your vehicle's smart car key fob programming 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, hold the lock button until you release it and press the unlock button.

This will make it impossible for your smart key fob from being able to send or receive any radio waves. This will significantly increase the life of your battery. You can reactivate this function by pressing the unlock and lock buttons once more.

Certain smart keys come with anti-theft features that stop them from being copied by thieves. Mercedes-Benz smart keys use rolling codes to stop unauthorized access. When a smart key is inserted into ignition, a computer inside the car checks the code in milliseconds prior to even starting the engine. BMW utilizes a Display Key that has a small LCD color screen. This allows drivers to lock their vehicles, unlock them, and start the engine without having to take the smart key from their pockets.

Contact Pop-A-Lock if your need to replace the battery in the replacement smart key key fob you have or if you are thinking of purchasing a vehicle with a smart-key. We can replace the battery on any smart key, and our mobile locksmiths can help you set it up so that your vehicle recognizes it.

Special Cases

Smart keys aren't 100% secure against theft, but they do aid in deterring thieves. Smart key fobs use rolling security codes to protect against 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 forget the key in your trunk or leave it in an establishment. Some systems will also notify the driver if the battery is depleted. Certain brands have key covers specifically made for smart keys that keep the fob protected from damage.