Vehicle Smart Key Technology

The technology of smart keys in vehicles allows drivers to unlock and start their vehicle by simply rubbing the door handle or putting the keys in the pocket. It also allows for a variety of other adjustments like seat position, internal temperature settings and mirror positioning.

This can also lead to security worries.

Security

smart Car key programming keys are computerized key fobs which communicate with the vehicle via an embedded antenna to unlock doors and start the motor. 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 harder for thieves with the latest technology to steal or spoof the signal and use the key to take your car.

For example, Mercedes' system -- called Keyless Go -- has an internal transponder which 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 turns on the engine by pressing the key.

Certain smart keys, like those made by BMW and Mercedes-Benz, also come with user-specific settings, which allow drivers to alter the mirrors, seat and the steering wheel's position and even audio preferences with the press of a single button. They also have a backup lock, which stops the car from starting if the key is not in the ignition.

This technology prevents drivers from accidentally locking their vehicles especially when looking in backpacks or purses for keys on parking lots with strangers or on a busy street where crime is high. A lot of systems will also notify drivers when the key is in danger of being depleted, though this feature is dependent on the manufacturer.

Convenience

The smart key is perfect for those who are on the move and need to get somewhere. You can unlock, lock and start your car by pressing the door handle or the trunk release. Popular Mechanics explains that the key fob can be used to track charging, location, and other information about your vehicle.

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

BMW reports that the smart key makes use of rolling codes in order to ward off hacking and cloning. A computer in the vehicle recognizes the code and checks it prior to launching the engine. Most systems come with a mechanical backup system that is a hidden key blade.

Modern smart keys also know the type of key being used and adjust the settings of the vehicle as needed, according to how much is a replacement smart car key Stuff Works Electronics. For example, if you switch on the car while holding the key fob in your hand, the windows and sunroof will open to let the air in the cabin breathe. 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 car 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 manufacturer-specific feature called Power Saving Mode. To do this, hold the lock button, then press the unlock button.

This will prevent your smart keys for cars key fob's ability to send or receiving radio signals, which will extend its battery's life by a significant amount. You can always reactivate this feature by pressing the unlock and lock buttons once more.

Certain smart keys have anti-theft features to prevent them from being stolen by thieves. For example, Mercedes-Benz smart keys use rolling codes to block unauthorised vehicle access. When a smart key is put in the ignition, a computer in the car checks the code in milliseconds before even starting the engine. BMW uses a Display Key that has a small LCD color screen. This allows drivers to lock their vehicles, unlock them, and even start them without having to remove the smart key from their pockets.

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

Special Cases

Smart keys are not 100% theft-proof but they can help deter thieves. smart car key fob replacement key fobs use rolling security codes that prevent the hacking of keys, and when they are placed in the ignition, the car's computer verifies the code within milliseconds. Mercedes-Benz developed this technology, which is now utilized by luxury car brands.

Another helpful feature is that the majority of smart key systems will operate even if a user forgot the key in the trunk, left it at the restaurant or if it is lost during a hike. Certain systems will notify the driver when the battery is low. Certain brands also offer key covers specifically made for smart keys that keep the fob protected from harm.