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Vehicle Smart Key Technology

Smart keys in vehicles allow drivers to unlock and start the car simply by grabbing the door handle or placing the key in the pocket. It also permits many other adjustments including the position of the seat as well as internal temperature settings and mirror positioning.

This can also lead to security issues.

Security

Smart keys are sophisticated key fobs with computers that communicate with a vehicle via one of the antennas that are embedded in the vehicle to open the doors and start the engine. Smart key fobs, unlike traditional keys, which emit the same frequency every time they're pressed, send encrypted signals which are only compatible with the particular car to which they belong to. This makes it 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, which identifies the driver's key. 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.

Furthermore certain smart keyslike those made by BMW -- have individual user settings that let the driver adjust the seat, mirrors and steering wheel position and audio preferences with the click of the button. They also come with a backup lock, which will stop the car from starting if the key is not in the ignition.

This technology stops drivers from getting their car locked accidentally especially when looking in backpacks or purses for keys on an open parking lot with strangers or a busy street where crime is high. A lot of systems will also notify drivers when keys are running low on battery, but this feature is different for each manufacturer.

Convenience

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

One of the biggest advantages is that you don't lock yourself out. The key fob communicates with the antenna inside the vehicle to determine if the key is in range. If it's not, the engine won't start. This will deter thieves from stealing your vehicle and selling its parts.

BMW reports that the smart key utilizes rolling codes as well to prevent hacking and cloning. The computer inside the vehicle recognizes and verifies the code prior to starting the motor. Many systems also have a mechanical backup in the form of an unnoticed key blade to be used for styling purposes.

How Stuff Works Electronics notes that modern smart car key replacement cost keys also detect the keys in use and adjust vehicle settings accordingly. For instance, if you start the car while holding the key fob in your palm, the windows and sunroof will open to let air circulate through the cabin. You can also set a speed limit that will only be in effect when the car is started using the selected key, a feature that could be useful if you loan 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 manufacturer-specific feature called Power Saving Mode. To do this, hold the lock button, then press the unlock button.

This will block your smart key programming near me key fob from transmitting or receiving radio waves and will increase the battery's lifespan significantly. You can reactivate this feature by pressing the unlock and lock buttons once more.

Certain smart keys have anti-theft features to prevent them from being copied by thieves. For instance, Mercedes-Benz smart keys use rolling codes to block unauthorized vehicle access. When a smart forfour key key is inserted in the ignition, a computer in the car validates the code in milliseconds before even starting the engine. BMW makes use of a Display Key with a small LCD screen with a color. This lets drivers lock their cars, unlock their doors, and start the engine without having to take the smart car key replacement near me key from their pockets.

Call Pop-A-Lock if you need to replace the battery on the smart key fob you have or should you be thinking of purchasing a vehicle with a smart-key. Our mobile locksmiths will replace the battery of any smart key and help to set it so that your car key duplication shop recognizes it.

Special Cases

While smart keys aren't safe from theft, they do assist to discourage thieves. Smart keys employ rolling security codes to avoid the hacking of keys, and when they are placed in the ignition, the vehicle's computer validates the code within milliseconds. This technology was invented by Mercedes-Benz and is currently used by a variety of automobile brands that are luxury.

A smart key system will continue to work even if you don't remember the key in the trunk or leave it in a restaurant. Certain systems will notify the driver when the battery is not fully charged. Certain brands also offer key covers that are specifically designed for smart keys to protect the fob from damage.