Vehicle Smart Key Technology

Smart keys for vehicles allow the driver to unlock and start the car simply by touching the door handle or putting the key in the pocket. It also allows a variety of other adjustments such as the position of the seat and internal temperature settings as well as mirror position.

However, this could create security concerns.

Security

Smart keys are sophisticated computerized key fobs that communicate with vehicles via one of the antennas built into the car to open the doors and to start the engine. Unlike conventional keys, which emit the identical frequency signal each time they are activated, smart keys transmit encrypted signals that are specific to the specific car they belong to. This makes it harder for tech-savvy thieves to impersonate or intercept the signal and use the key to steal your car.

Mercedes' Keyless Go system, for example, has an internal transponder which identifies the key of the driver. The Smart Key automatically unlocks and opens the doors and the tailgate when it is within 1.5 meters. It also allows you to start the engine by pressing the key.

Additionally some smart forfour key replacement keyssuch as those from BMW include individual user settings that let the driver alter the seat, mirrors, the steering wheel's position as well as audio preferences at the click of the button. They also have a backup lock that prevents the vehicle starting without the key.

This technology prevents drivers from locking their cars, especially when they are rummaging through their purses or backpack to locate keys in a parking area packed with strangers or on a busy street with high crime rates. Many systems also notify motorists 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 who are in a hurry to get to their destination. You can lock, unlock and start your car simply by pressing a button on the door handle or trunk release. Key fobs can also communicate with your phone to keep track of charging, location and other data regarding the vehicle, as explained by Popular Mechanics.

You shouldn't lock your keys inside the car. The key fob is connected to an antenna inside the vehicle to determine whether it's within range. If it's not, the engine will not start. This helps deter would-be thieves who could steal your vehicle in order to sell its parts.

The smart key market key also employs rolling codes to ward off hacking attempts and cloning, says BMW. A computer inside the vehicle reads the code and verifies it prior to starting the engine. Many systems also have a mechanical backup that is an invisible key blade to be used for styling purposes.

Modern smart keys also know which key is in use and adjust the vehicle settings as needed, according to How Stuff Works Electronics. For example, if you switch on the car while holding the key fob in your hand the windows and the sunroof are opened to let the cabin air dry. You can also set a speed limit that will only be activated when the car is powered by the specified key. This feature can be useful when you lend your car to a driver 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 smart key replacement (domainbus79.werite.net) manufacturer-specific feature called Power Saving Mode. To do this simply press and hold the lock button while pressing the unlock button.

This will prevent your smart key fob to send or receive any radio waves. This will greatly extend the battery's life. You can always restart this function by pressing the unlock and lock buttons once more.

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

Contact Pop-A-Lock if your need to replace the battery on your smart key fob considering 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 can recognize it.

Special Cases

While smart keys aren't secure against theft, they can help to deter thieves. smart car key fob keys utilize rolling security codes that prevent theft, and when placed in the ignition, the vehicle's computer verifies the code within milliseconds. This technology was developed by Mercedes-Benz and is currently used by a number of premium car brands.

Another helpful feature is that the majority of smart key systems will operate even if the user has forgotten the key in the trunk or left it at an eatery or lost it during an excursion. Some systems will alert the driver when the battery is running low. Certain brands have key covers specifically designed for smart keys that keep the key safe from harm.