A Step-By-Step Guide To Smart Car Key Programming From Start To Finish
Vehicle Smart Key Technology
The smart key technology in automobiles allows drivers to open and start their car by simply touching the door handle or putting the keys in the pocket. It also enables a range of other adjustments like the position of seats and internal temperature settings, stereo presets and mirror positions.
However, this could also lead to security concerns.
Security
Smart keys are computerized key fobs that communicate with a vehicle via one of the antennas in the car to open the doors and start the engine. In contrast to conventional keys that emit the same frequency signal every time they are activated, smart keys transmit encrypted signals that only match the car they belong to. This makes it much more difficult for thieves with the latest technology to steal or spoof the signal and use the key to steal your car.
Mercedes' Keyless Go system for instance, has an internal transponder that identifies the driver's key. When the Smart Key comes within 1.5 meters of a vehicle it automatically unlocks the door and tailgate and starts the engine when a button on the key is press.
Additionally, some smart keys -such as those from BMW have their own user settings that let the driver adjust the seat, mirrors and the position of the steering wheel as well as audio preferences at the touch of a button. They also have the backup lock, which stops the vehicle starting without the key.
This technology prevents drivers from accidentally locking their vehicles, particularly when fumbling in a purse or backpack to locate keys in a parking space packed with strangers or on an area with high rates of crime. Many systems also alert drivers when the key is in danger of being depleted, though this feature varies by manufacturer.
Convenience
If you're in a hurry get to a place the smart key makes entering your vehicle as easy as it can be. By pressing the button on the trunk release lever or door handle, you can unlock, lock and open your vehicle. Popular Mechanics explains that the key fob can also be used to track charging location, charging status, and other vehicle information.
You shouldn't lock your keys in the car. The key fob connects to an antenna in the vehicle to determine whether it's within range. If it's not, the engine won't start. This will deter thieves who might steal your car to sell the parts.
replacement smart key employs rolling codes to prevent hacking attempts as well as cloning, according BMW. The computer inside the vehicle recognizes and verifies the code prior to launching the motor. Most systems have a physical backup system that is an invisible key blade.
Modern smart keys also recognize which key is in use and adjust the vehicle settings accordingly, notes How Stuff Works Electronics. If you start the vehicle while holding the key in your palm, for example windows and the sunroof will open to allow air circulation to the interior. You can also set up a speed limit which will only be applied when the car is powered by the selected key. This feature is beneficial if you're lending your car 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 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 it, press the lock button down and then press the unlock button.
This will disable your smart key fob's smart chip from sending or receiving any radio waves which will increase its battery's life considerably. You can always activate this feature by pressing the unlock and lock buttons again.
Some smart keys include anti-theft features that stop them from being stolen by thieves. For example, Mercedes-Benz smart keys use rolling codes to block unauthorized vehicle access. The computer in the car is able to verify the code within milliseconds following the smart key is placed. BMW uses a Display Key with a small LCD color screen. This allows drivers to lock their vehicles, unlock them, and then start the engine without having to take the smart key from their pockets.
Contact Pop-Alock if you need to replace the battery on your smart key fob in the event that you are thinking of buying a car with a smart-key. Our mobile locksmiths can replace the battery on any smart key and also help to set it up so that your car can recognize it.
Special Cases
Smart keys aren't 100% safe from theft, but they can assist in preventing thieves. Smart key fobs are designed to prevent hackers from gaining access to the system. When they are inserted into the ignition of the vehicle the computer checks the code in milliseconds. Mercedes-Benz developed this technology, which is currently used by luxury car manufacturers.
A smart key system will work even if you don't remember the key in your trunk or leave it in an establishment. Some systems will alert the driver when the battery is not fully charged. Certain brands provide key covers specifically made for smart keys that keep the fob protected from damage.