Vehicle Smart Key Technology

The smart key technology that is found in vehicles allows drivers to unlock and start their car by just touching the door handle or placing the key into the pocket. It also permits various other adjustments, including seat position as well as internal temperature settings and mirror position.

However, this could also result in security issues.

Security

Smart keys are advanced key fobs that are computerized and communicate with a vehicle through one of the antennas in the car to unlock doors and begin the engine. Smart key fobs, unlike traditional keys, which emit the same frequency every time they're pressed, transmit encrypted signals that are only compatible with the specific car to which they belong to. This makes it much more difficult for thieves who are tech-savvy to fake or intercept the signal and use the key to take your car.

Mercedes' Keyless Go system For instance, it 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.

Some smart keys, like those made by BMW are also equipped with user-specific settings, which allow drivers to alter the seat, mirrors and steering wheel's position and audio preferences at the push of a button. They also have the backup lock, which will stop the car from starting if the key is not in the ignition.

This technology can prevent drivers from locking their vehicles, particularly when they are rummaging through their purses or backpack to find keys in a parking area filled with strangers or on an area with high crime rates. Many systems will also alert drivers when the battery in their keys is depleted, though this feature may differ from manufacturer to manufacturer.

Convenience

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

A big benefit is that you can't accidentally lose your keys. The key fob connects to an antenna in the vehicle to determine if it is within the range. If it's not, the engine will not start. This helps deter would-be thieves who might steal your vehicle in order to sell the parts.

The smart key also uses rolling codes to protect against hacking attempts and cloning, according to BMW. A computer inside the vehicle recognizes the code and checks it before starting the engine. Most systems come with a mechanical backup system that is an unnoticed key blade.

How Much is a replacement smart car key Stuff Works Electronics notes that modern smart keys can also detect the key being used and adjust the vehicle settings accordingly. For instance, if you switch on the car while holding the key fob in your palm the windows and sunroof open to let the air in the cabin breathe. You can also set a speed limit which will only be in effect when the vehicle is powered by the specified key. This feature can be useful if you're loaning your vehicle 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, hold down the lock button and press the unlock button.

This will prevent your smart key fob from having to send or receive any radio waves. This will dramatically extend the life of its battery. You can always reactivate the function by pressing both the lock and unlock buttons again.

Certain smart keys come with anti-theft features that stop them from being copied by thieves. Mercedes-Benz smart forfour key programming keys utilize rolling codes to stop unauthorized access. When a smart key is inserted in the ignition, a computer inside the car confirms the code in milliseconds before beginning the engine. BMW utilizes a Display Key that has a tiny LCD color screen. This allows drivers to lock their vehicles, unlock them, and start them without removing the smart key from their pocket.

If you're thinking of buying a new smart car key car that has a smart key, or if you require the battery in your smart key fob changed, contact us at Pop-A Lock to get a quick and easy service. Our mobile locksmiths will change the battery on any smart key and also help you set it up so that your car can recognize it.

Special Cases

While smart keys are not safe from theft, they do assist to stop thieves. Smart keys employ rolling security codes to prevent the hacking of keys, and when they are placed in the ignition, the vehicle's computer checks the code in milliseconds. This technology was developed by Mercedes-Benz and is now employed by a variety of automobile brands that are luxury.

A smart car key replacement key system will work even if it is not possible to remember the key in the trunk or leave it at an establishment. Certain systems will notify the driver when the battery is running low. Certain brands provide key covers specifically designed for smart keys to protect the fob from damage.