Vehicle Smart Key Technology

The smart key copy key technology in vehicles enables drivers to unlock and start their vehicle by simply touching the door handle, or putting the keys in the pocket. It also allows for a variety of other adjustments, such as seating positions and temperature settings inside the car, stereo presets, and mirror positioning.

This can also lead to security concerns.

Security

Smart keys are advanced key fobs that are computerized and communicate with a vehicle through one of the car's embedded antennas to open the doors and begin the engine. Smart key fobs, unlike conventional keys that emit the same frequency each time they're pressed, send encrypted signals that are compatible with the particular car to which they belong. This makes it much more difficult for hackers with the latest technology to intercept or fake the signal and use your key to steal your vehicle.

For example, Mercedes' system -known as Keyless Go -- has an internal transponder, which identifies the driver's keys. When the Smart Key comes within 1.5 meters of a car it instantly unlocks the tailgate and door and the engine will start when a button on the key is hit.

Furthermore there are smart keys thatlike those made by BMW -- have individual user settings that allow the driver to adjust the mirrors, seat and steering wheel position and audio preferences at the push of one button. They also come with a backup lock that prevents the vehicle from starting without the key in the ignition.

This technology prevents drivers from accidentally locking their vehicles, particularly when searching through a purse or backpack for keys in a parking lot packed with people or on a busy street with high rates of crime. Many systems also notify drivers when the key is low on battery, although this feature is dependent on the manufacturer.

Convenience

If you're in a hurry get to a place, the smart key makes entering your vehicle as easy as possible. By pressing the button on your trunk release lever or door handle, you can unlock, lock and get into your vehicle. Key fobs can also communicate with your phone to keep track of charging locations, charging times and other details regarding the vehicle, as explained by Popular Mechanics.

The main benefit is that you can't accidentally get locked out. The key fob connects to an antenna inside the vehicle to determine if it is within range. If it's not, the engine won't not start. This will deter thieves from the vehicle and stealing its parts.

The smart key uses rolling codes to prevent hacking attempts and cloning, says BMW. A computer inside the vehicle is able to recognize the code and verifies it prior to starting the engine. A majority of systems also have a backup mechanical system in the form of an unnoticed key blade to serve as a styling tool.

Modern smart keys also detect which keys are in use and adjust the settings of the vehicle accordingly, notes how much is a replacement smart car key Stuff Works Electronics. For example, if you start the car while holding the key fob in the palm of your hand the windows and sunroof can be opened to let the air in the cabin breathe. You can also set a speed limit that will only apply when the vehicle is started using the selected key, which could be useful if you loan your vehicle to a novice driver.

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 activate this feature, hold down the lock button and press the unlock button.

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

Some smart car key not working keys also have anti-theft features to prevent them from being copied by thieves. For instance, Mercedes-Benz smart keys use rolling codes to stop unauthorized vehicle access. When a smart key is inserted into ignition, a computer within the car checks the code in milliseconds, before beginning the engine. BMW offers a similar system with its Display Key, which features a small LCD color touchscreen on the smart key for added convenience, and enables drivers to 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 need the battery of your smart key fob replaced, call us at Pop-Alock for a quick and efficient service. Our mobile locksmiths can replace the battery on any smart key and help to set it so that your car can recognize it.

Special Cases

Although smart keys aren't security-wise, they can be used to deter thieves. smart car key fob replacement keys utilize rolling security codes to avoid theft, and when placed in the ignition, the vehicle's computer validates the code within milliseconds. This technology was invented by Mercedes-Benz and is now utilized by many automobile brands that are luxury.

A smart key system will continue to work even if you don't remember the key in the trunk or leave it at an establishment. Some systems will alert the driver when the battery is depleted. Some brands offer keys with covers specifically designed for smart keys, to shield the fob from damage.