Vehicle Smart Key Technology

The technology of smart keys in vehicles allows drivers to unlock and start their car by simply touching the door handle, or putting the key in the pocket. It also permits a variety of other adjustments including seat position the internal temperature setting and mirror position.

However, this could also cause security issues.

Security

Smart keys are key fobs that are computerized that communicate with vehicles via an embedded antenna to unlock doors and begin the motor. In contrast to conventional keys that emit the same frequency signal each time they are pressed, smart car key programmer key fobs transmit encrypted signals that are specific to the specific vehicle they belong to. This makes it harder for tech-savvy thieves to fake or intercept the signal and use the key to steal your car.

Mercedes' Keyless Go system for instance, has an internal transponder that 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 turns on the engine by pressing the key.

Additionally, some smart keys -such as those from BMW come with individual user settings that let the driver adjust the mirrors, seat and the steering wheel's position and audio preferences at the push of the button. They also come with an emergency lock that stops the vehicle starting without the key.

This technology helps drivers avoid 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 also notify drivers when the key is running low on battery, but this feature is different for each manufacturer.

Convenience

The smart car key replacement cost key is ideal for those trying to get somewhere. You can unlock, lock and start your car simply by pressing a button on the door handle or trunk release. Popular Mechanics explains that the key fob can also be used to track charging locations, charging, and other vehicle information.

You can't accidentally lock your keys inside the car. The key fob communicates with an antenna inside the vehicle to determine whether it's in range. If it's not in range, the engine will not start. This will deter thieves from taking your vehicle and then selling parts of it.

BMW reports that the smart key utilizes rolling codes in order to stop cloning and hacking. A computer inside the vehicle reads the code and validates it before starting the engine. Many systems also have a backup mechanical system that is an invisible key blade for styling purposes.

Modern smart keys also know which key is in use and adjust the settings of the vehicle 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 sunroof can be opened to let air circulate through the cabin. You can also set a speed limit which will only be used when the vehicle is powered by the specified key. This feature can be useful if you are lending your car to a driver who is not experienced.

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 prevent your smart key fob's ability to send or receiving any radio signals, which will extend its battery's life considerably. You can always activate the function by pressing the lock and unlock buttons again.

Certain smart keys also come with anti-theft functions that stop them from being copied by thieves. Mercedes-Benz smart keys use rolling codes to stop unauthorised access. The computer in the car will check the code every millisecond after the smart key is introduced. BMW offers a similar system with its Display Key, which features a small LCD color touchscreen on the smart car key programming key for added convenience and enables drivers to lock or unlock their cars without ever removing the key from their pockets.

Contact Pop-Alock if you need to replace the battery in your smart key fob or should you be thinking of buying a car with a smart-key. We can replace the battery in any smart key, and our mobile locksmiths are able to help you set the system so that your car can recognize it.

Special Cases

While smart keys are not security-wise, they can be used to discourage thieves. Smart key fobs are designed to prevent hackers from hacking into the system. When they are placed in the ignition of the vehicle the computer validates the code in milliseconds. Mercedes-Benz invented this technology, which is now utilized by luxury car brands.

A smart key system will function even if you lose the key in the trunk or leave it at the restaurant. Certain systems will notify the driver when the battery is not fully charged. Certain brands have key covers specifically designed for smart keys that keep the key safe from damage.