Vehicle Smart Key Technology

Smart keys in vehicles allow the driver to unlock and start the car by grabbing the door handle or placing the key in the pocket. It also allows a variety of other adjustments like seats positions and temperature settings inside the car, stereo presets and mirror positions.

However, this could also cause security issues.

Security

smart car key fob keys are advanced key fobs that are computerized and communicate with a vehicle via one of the antennas in the car to unlock the doors and begin the engine. Smart key fobs, as opposed to traditional keys that emit the same frequency every time they're used, transmit encrypted signals that are compatible with the particular car to which they belong to. This makes it harder for tech-savvy thieves to steal or spoof the signal and use the key to take your Car Key Cutting Service Near Me.

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

Some smart keys, such as the ones from BMW, also have user-specific settings. These allow the driver to adjust the seat, mirrors, steering wheel position, and even the audio settings with the push of a button. They also have an emergency lock that stops the vehicle from starting if it is not connected to the key.

This technology assists drivers from accidentally locking their car, especially when they have to search their purse or backpack for keys in a parking lot packed with strangers or on an area with high crime rates. Many systems will also alert drivers when the battery of their key is not fully charged, though this feature can vary by manufacturer.

Convenience

If you're in a hurry to get somewhere, the smart key makes entering your car as simple as it can be. You can lock, unlock and start your car by pressing a button on the door handle or the trunk release. Popular Mechanics explains that the key fob can also be used to track charging or location as well as other information about your vehicle.

A big benefit is that you won't accidentally get locked out. The key fob is connected to an antenna inside the vehicle to determine whether it's within the range. If it's not, the engine won't start. This will stop thieves from the vehicle and stealing its parts.

The smart key also uses rolling codes to deter hacking attempts and cloning, says BMW. A computer in the vehicle reads the code and checks it prior to launching the engine. Most systems also have a mechanical backup in the form of an unnoticed key blade to be used for styling purposes.

How Stuff Works Electronics notes that modern smart keys can also detect when the key is in use and adjust vehicle settings in accordance with the key's use. For instance, if start the car while holding the key fob in your hands the windows and sunroof can be opened to ventilate the cabin. You can also set an automatic speed limit that will only be activated when the vehicle is powered by the chosen key. This feature can be beneficial if you're lending your vehicle to a driver 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 activate this feature make sure you press and hold the lock button while pressing the unlock button.

This will prevent your smart key fob from transmitting or receiving any radio waves, which will extend its battery's lifespan significantly. It is possible to reactivate the function by pressing both the lock and unlock buttons again.

Certain smart keys also have anti-theft features that prevent them from being copied by thieves. For example, Mercedes-Benz smart keys use rolling codes to block unauthorised access to the vehicle. The car's computer examines the code in milliseconds after the smart key is inserted. BMW uses a Display Key with a small LCD screen with a color. This allows drivers to lock their cars, open them, and even start them without having to remove the smart key from their pockets.

If you're thinking of buying an automobile with a smart key, or require the battery in your smart key near me key replaced, call us at Pop-Alock for a quick and simple service. We can replace the battery in any smart key, and our mobile locksmiths can help you set the system so that your car can recognize it.

Special Cases

Smart keys aren't 100% theft-proof but they can assist in preventing thieves. Smart key fobs are designed to keep hackers from hacking into the system. When they are inserted into the ignition of the vehicle the computer validates the code in milliseconds. This technology was invented by Mercedes-Benz and is now employed by a number of luxury car brands.

Another great feature is that many smart key systems will continue to function even if the user has forgotten the key in the trunk or left it in the restaurant, or lost it during the trail. Some systems will also notify the driver if the battery is low. Certain brands also offer key covers designed specifically for replacement smart key keys to guard the fob from damage.