Vehicle Smart Key Technology

The smart key technology in vehicles allows drivers to unlock and start their car by simply pressing the door handle or placing the key into the pocket. It also allows a variety of other adjustments such as seat position, internal temperature settings and mirror positioning.

This could also create security concerns.

Security

Smart keys are sophisticated computerized key fobs that communicate with a vehicle via one of the antennas built into the car to open the doors and begin the engine. As opposed to traditional keys, which emit the same frequency signal every time they are used, smart keys transmit encrypted signals that are only compatible with the specific vehicle they belong to. This makes it difficult for hackers with the latest technology to spoof or intercept the signal and use your key to steal your car.

Mercedes’ Keyless Go system For instance, it has an internal transponder which 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 starts the engine by pressing the key.

Certain smart keys, such as the ones from BMW additionally have user-specific settings. These allow the driver to adjust the seat, mirrors, steering wheel position, and audio preferences with the touch of a single button. They also come with the backup lock, which stops the vehicle from starting if it is not connected to the key.

This technology stops drivers from accidentally locking their vehicles and causing damage to their vehicle, particularly when searching the bag or purse for keys in an open parking lot with people who are not familiar with the area or where crime is high. Many systems also notify motorists when their keys are running low on battery, but this feature differs by manufacturer.

Convenience

If you’re in a hurry to get somewhere the smart key makes getting into your car as easy as it can be. You can unlock, lock and start your car simply by pressing the door handle or trunk release. The key fob can also communicate with your smartphone to track charging, location and other data about the vehicle, says Popular Mechanics.

One of the biggest advantages is that you aren’t able to accidentally be locked out. The key fob communicates with an antenna within the vehicle to determine if it’s in range. If it’s not in range, the engine will not start. This will deter thieves who could steal your car to sell the parts.

The smart key uses rolling codes to ward off hacking attempts and cloning, says BMW. The computer inside the vehicle recognizes the code and checks it prior to starting the engine. Most systems have a physical back-up in the form a key blade hidden in the.

How Stuff Works Electronics notes that modern smart keys also detect the key used and adjust the car smart key settings accordingly. For instance, if you turn on the car while holding the key fob in your palm the windows and sunroof will open to let the cabin air dry. You can also set the speed limit to only be in effect when the vehicle is powered by the selected key. This feature can be useful if you’re loaning your vehicle to a driver who has little 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 simply press and hold the lock button while pressing the unlock button.

This will stop your smart key fob’s smart key for cars chip from sending or receiving any radio signals that could extend its battery’s life by a significant amount. You can always restart the function by pressing both the lock and unlock buttons again.

Certain smart keys also come with anti-theft capabilities that protect them from being copied by thieves. Mercedes-Benz smart key uses rolling codes to stop unauthorised access. When a smart key is inserted into ignition, a computer in the car verifies the code in milliseconds, before even starting the engine. BMW utilizes a Display Key that has a small LCD color screen. This lets drivers lock their cars, open their doors, and start them without removing the smart forfour key key from their pocket.

If you’re thinking about buying a new car with a smart car key not working key, or require your smart key fob’s battery changed, contact us at Pop-A Lock for a quick and simple service. We can replace the battery in any smart key and our mobile locksmiths are able to help you set the system so that your vehicle recognizes it.

Special Cases

Although smart keys aren’t safe from theft, they do assist to deter thieves. smart car key replacement cost keys utilize rolling security codes that prevent the hacking of keys, and when they are placed in the ignition, the car’s computer checks the code in milliseconds. Mercedes-Benz invented this technology, which is currently utilized by luxury car brands.

A smart key system will continue to function even if you lose the key in your trunk or leave it in an establishment. Certain systems will notify the driver when the battery is not fully charged. Certain brands have key covers specifically made for smart keys that protect the fob from harm.