Vehicle Smart Key Technology

The smart key technology found in vehicles enables drivers to unlock and start their vehicle by simply pressing the door handle, or putting the keys in the pocket. It also allows various other adjustments such as seat position as well as internal temperature settings and mirror positioning.

This can also cause security issues.

Security

Smart keys are highly sophisticated key fobs with computers that communicate with the vehicle using one of the car's embedded antennas to unlock doors and start the engine. As opposed to traditional keys, which emit the same frequency signal every time they are pressed, smart key fobs transmit encrypted signals that are specific to the specific car they belong to. This makes it difficult for thieves with advanced technology to intercept or spoof the signal, and use your key to steal your car.

For example, Mercedes' system -known as Keyless Go -- has an internal transponder which can identify the driver's key. When the Smart Key comes within 1.5 meters of a vehicle, it automatically unlocks the door and tailgate and the engine will start when the key's button is press.

Some smart key locksmith near me keys, such as the ones made by BMW are also equipped with user-specific settings. These allow the driver to adjust the seat, mirrors, steering wheel position, and audio preferences with the push of a button. They also have a backup lock that prevents the vehicle from starting if the key is not in the ignition.

This technology can prevent drivers from accidentally locking their car, especially when they are rummaging through their purses or backpack for keys in a parking lot packed with strangers or on an area with high crime rates. Some systems will also notify motorists when the battery for their key is not fully charged, though this feature varies from manufacturer manufacturer.

Convenience

If you're in a hurry to get to a place the smart key makes entering your vehicle as easy as possible. You can unlock, lock and start your car by pressing the door handle or the trunk release. The key fob can also connect to your phone to keep track of charging, location and other information regarding the vehicle, as explained by Popular Mechanics.

You don't want to accidentally lock your keys in the car. The key fob communicates with an antenna in the vehicle to determine if it's in range. If it's not, the engine won't start. This is a deterrent to thieves who would steal your vehicle in order to sell its parts.

The smart key also uses rolling codes to deter hacking attempts and cloning, reports BMW. The vehicle's computer can recognize and verify the code before starting the motor. Most systems come with a mechanical backup system that is an unnoticed key blade.

Modern smart keys also recognize the type of key being used and adjust the car settings as needed, according to how much is a replacement smart car key Stuff Works Electronics. For example, if you turn on the car while holding the key fob in your hands, the windows and sunroof will open to ventilate the cabin. You can also set the speed limit to only be in effect when the car is started using the chosen key, a feature that could be useful when loaning your car 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 do this, press and hold the lock button while pressing the unlock button.

This will block your smart key fob from having to transmit or receive radio waves. This will greatly extend the life of your battery. You can always reactivate the function by pressing both 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 access by anyone who is not authorized to use it. The car's computer checks the code milliseconds after the smart key is inserted. BMW also has a similar system with its Display Key, which features a small LCD color touchscreen on the smart key for ease of use, and enables drivers to lock or unlock their vehicles without ever taking it from their pockets.

If you're thinking of buying the latest car smart key equipped with a smart key, or need your smart car key programmer key fob's battery replaced, call us at Pop-Alock for a quick and efficient service. Our mobile locksmiths will change the battery on any smart key and assist to set it up so that your car can recognize it.

Special Cases

smart fortwo key replacement keys aren't 100% theft-proof but they can assist in preventing thieves. Smart keys use rolling security codes to prevent theft, and when placed in the ignition, the vehicle's computer validates the code within milliseconds. Mercedes-Benz invented this technology, which is currently used by luxury car manufacturers.

A smart key system will continue to work even if it is not possible to remember the key in your trunk or leave it in the restaurant. Certain systems will also inform the driver when the battery is low. Some brands offer key covers specifically designed for smart keys to keep the key safe from harm.