10 Smart Car Key Programming-Related Projects To Stretch Your Creativity

Vehicle smart car key not working Key Technology

The smart key technology in vehicles allows the driver to unlock and start the car by touching the door handle or placing the key in the pocket. It also enables a range of other adjustments, such as seating positions and internal temperature settings, stereo presets and mirror positions.

However, this could also result in security issues.

Security

Smart keys are key fobs that are computerized that communicate with vehicles via an embedded antenna to unlock doors and activate the motor. Smart key fobs, in contrast to conventional keys that emit the same frequency each time they're pressed, transmit encrypted signals which are only compatible with the particular car to which they belong to. This makes it harder for criminals with a technological edge to detect or spoof the signal, and then use your key to steal your car.

Mercedes' Keyless Go system, for Web page example, has an internal transponder that identifies the driver's keys. The Smart Key automatically unlocks and opens the doors and the tailgate when it is within 1.5 meters. It also turns on the engine by pressing the key.

Additionally, some smart keys -- like those from BMW come with individual user settings that allow the driver to adjust the seat, mirrors and the steering wheel's position as well as audio preferences at the click of the button. They also have a backup lock that stops the car from starting if the key is not in the ignition.

This technology can prevent drivers from locking their vehicles, particularly when searching through a purse or backpack to find keys in a parking lot full of strangers or in an area with high rates of crime. Some systems also notify drivers when the key is not fully charged, however this feature is dependent on the 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 simply by pressing the door handle or trunk release. Popular Mechanics explains that the key fob can also be used to monitor charging location, charging status, and other information about your vehicle.

A major benefit is that you can't accidentally lose your keys. The key fob communicates with an antenna in the vehicle to determine if the key is in range. If it's not, the engine will not start. This can deter thieves who may steal your vehicle to sell the parts.

The smart key also uses rolling codes to ward off hacking attempts and cloning, says BMW. The computer inside the vehicle recognizes the code and confirms it prior to starting the engine. Most systems have a mechanical backup system in the form of an unnoticed key blade.

Modern smart key car keys also know which key is in use and adjust the vehicle settings accordingly, notes How Stuff Works Electronics. If you switch on the vehicle while holding the key in your hand, for example, the windows and the sunroof will open to allow air circulation to the interior. You can also set up the speed limit to only be in effect when the vehicle is powered by the chosen key. This feature is useful if you're loaning your vehicle 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 car keys replacement 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 until you release it and press the unlock button.

This will stop your smart key fob from having to transmit or receive radio waves. This will significantly extend its battery life. You can always restart this feature by pressing the unlock and lock buttons again.

Some smart keys include anti-theft capabilities that prevent them from being stolen by thieves. For instance, Mercedes-Benz smart fortwo key replacement keys use rolling codes to prevent unauthorized vehicle access. When a smart key is put in the ignition, a computer inside the car verifies the code in milliseconds, before beginning the engine. BMW uses a Display Key that has a small LCD screen with a color. This lets drivers lock their cars, open them, and then start the engine without having to take the smart key from their pockets.

If you're thinking of buying a new car with a smart key, or you need the battery in your smart key changed, contact us at Pop-A Lock for a quick and simple service. Our mobile locksmiths will change the battery of any smart key, and will help you set it up so that your car recognizes it.

Special Cases

While smart keys aren't security-wise, they can be used to stop thieves. smart car key repair key fobs are designed to keep hackers from hacking the system. When placed in the ignition of the vehicle The computer confirms the code in milliseconds. This technology was developed by Mercedes-Benz and is now utilized by a variety of luxury car brands.

Another helpful feature is that most smart key systems will operate even if the user has forgotten the key in the trunk or left it in the restaurant or if it is lost on a hike. Certain systems will notify the driver when the battery is not fully charged. Some brands offer key covers specifically designed for smart keys to ensure that the fob is protected from damage.