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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 allows many other adjustments, including the position of the seat, internal temperature settings and mirror position.

This can also cause security concerns.

Security

Smart keys are key fobs that are computerized which communicate with the vehicle via an embedded antenna to unlock doors and start the motor. Contrary to conventional keys, which emit the identical frequency signal each time they are pressed, smart key fobs transmit encrypted signals that are specific to the car they belong to. This makes it difficult for thieves with advanced technology to intercept or fake the signal and use your key to steal your vehicle.

Mercedes' Keyless Go system For instance, it has an internal transponder, which can identify the driver's keys. When the Smart Key comes within 1.5 meters of a vehicle it will automatically unlock the tailgate and door, and the engine starts when the key's button is pressed.

Additionally some smart keyssuch as those from BMW come with individual user settings that let the driver adjust the mirrors, seat and the position of the steering wheel as well as audio preferences at the push of one button. They also come with a backup lock that prevents the vehicle from starting without the key.

This technology can prevent drivers from accidentally locking their cars, especially when searching through a purse or backpack to find keys in a parking space packed with people or on an area with high crime rates. Some systems also notify drivers when their keys are in danger of being depleted, though this feature is dependent on the manufacturer.

Convenience

The smart key is perfect for those in a hurry to get to their destination. You can lock, unlock and start your car by pressing a button on the door handle or trunk release. The key fob will also communicate with your phone to track charging, location and other data about the vehicle, explains Popular Mechanics.

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 stop thieves from absconding with your vehicle and selling parts of it.

BMW reports that the smart fortwo key replacement key uses rolling codes to ward off hacking and cloning. The vehicle's computer recognizes and verifies the code before starting the motor. Most systems have a mechanical backup system that is an invisible key blade.

Modern smart keys can also tell which key is in use and adjust the vehicle settings in accordance with the key's use, according to How Stuff Works Electronics. For Vehicle smart key instance, if switch on the car while holding the key fob in your hands, the windows and the sunroof are opened to let the air in the cabin breathe. You can also set up a speed limit which will only be used when the vehicle is powered by the chosen key. This feature can be useful when you lend your vehicle smart key to a person with no 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 do this, press and hold the lock button while pressing the unlock button.

This will make it impossible for your smart key fob from having to transmit or receive radio waves. This will significantly extend its battery life. You can always reactivate this function by pressing the unlock and lock buttons once more.

Some smart keys also have anti-theft capabilities that protect them from being copied by thieves. For example, Mercedes-Benz smart keys use rolling codes to block unauthorised access to vehicles. The car's computer will check the code every millisecond after the smart key is inserted. BMW offers a similar system with its Display Key, which features an LCD touchscreen on the smart key for added convenience and lets drivers lock, unlock, and start their vehicles without ever taking it from their pockets.

If you're considering purchasing a new car with a smart key, or you need the battery in your smart key replaced, call Pop-A-Lock to get a quick and easy service. We can replace the battery in any smart key, and our mobile locksmiths can help you set it up so that your vehicle recognizes it.

Special Cases

While smart car key repair keys aren't secure against theft, they can help to stop thieves. smart car key repair key fobs use rolling security codes that prevent theft, and when placed in the ignition, the vehicle's computer validates the code within milliseconds. This technology was developed by Mercedes-Benz and is now employed by many automobile brands that are luxury.

Another benefit is that many smart key systems will continue to function even if the user has forgotten the key in the trunk or left it in the restaurant or if it is lost on an excursion. Some systems will also notify the driver if the battery is running low. Some brands offer key covers that are specifically designed for smart keys to protect the fob from damage.