Five Smart Car Key Programming Lessons From The Professionals
Vehicle Smart Key Technology
The smart key technology found in automobiles allows drivers to open and start their vehicle by simply touching the door handle, or putting the key in the pocket. It also allows a variety of other adjustments, like the position of seats and internal temperature settings, stereo presets, and mirror positioning.
However, this could result in security issues.
Security
Smart keys are highly sophisticated key fobs with computers that communicate with the vehicle using one of the antennas that are embedded in the vehicle to unlock doors and begin the engine. Smart key fobs, unlike traditional keys that emit the same frequency each time they're pulled, transmit encrypted signals that are compatible with the vehicle to which they belong to. This makes it difficult for hackers with the latest technology to detect or spoof the signal, and then use your key to steal your vehicle.
For instance, Mercedes' system -- called Keyless Go -- has an internal transponder that identifies the driver's keys. When the Smart Key comes within 1.5 meters of a car it automatically unlocks the door and tailgate, and the engine starts when the key's button is activated.
Some smart keys, like those from BMW and Mercedes-Benz, also come with user-specific settings. These allow the driver to adjust the seat, mirrors and steering wheel's location and even audio preferences with the click of a button. smart car key replacement cost have an emergency lock that stops the car from starting if the key is not in the ignition.
This technology helps keep drivers from accidentally locking their car, especially when fumbling in a purse or backpack to find keys in a parking space packed with people or on a busy street with high crime rates. A lot of systems will also notify drivers when the key is low on battery, although this feature is different for each manufacturer.
Convenience
The smart key is ideal for those trying to get somewhere. By pressing the button on your trunk release lever or door handle, you can lock, unlock and get into your vehicle. Popular Mechanics explains that the key fob can be used to track charging or location as well as other vehicle information.
You can't accidentally lock your keys in the car. The key fob is connected to an antenna in the vehicle to determine if it is within range. If it's not, the engine won't not start. This will deter thieves from stealing your vehicle and selling its parts.
The smart key also employs rolling codes to ward off hacking attempts as well as cloning, according BMW. The vehicle's computer recognizes and verifies the code prior to starting the motor. Most systems come with a mechanical backup in the form of a hidden key blade.
How Stuff Works Electronics notes that modern smart keys also detect the key used and adjust the car settings in line with the use of the key. If you turn on the vehicle while holding the key in your hand for instance windows and sunroof will open to ventilate the interior. You can also set up a speed limit that will only be used when the car is powered by the chosen key. This feature could be useful when you lend your vehicle to a person who has no prior 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 it, hold the lock button, then press the unlock button.
This will block your smart key fob's smart device from being able to transmit or receive radio waves. This will significantly extend the life of its battery. You can always reactivate the function by pressing the unlock and lock buttons again.
Certain smart keys come with anti-theft capabilities that prevent them from being stolen by thieves. Mercedes-Benz smart keys utilize rolling codes to stop unauthorized access. When the smart key is inserted into ignition, a computer inside the car checks the code in milliseconds prior starting the engine. BMW has a similar system with its Display Key, which includes a small LCD color touchscreen on the smart key for convenience and lets drivers lock and unlock their cars without ever removing the key from their pockets.
Contact us at Pop-A Lock if you require to replace the battery in your smart key fob or considering purchasing a vehicle with a smart-key. We can replace the battery in any smart key, and our mobile locksmiths are able to assist you in setting it up so that your car can recognize it.
Special Cases
Although smart keys aren't secure against theft, they can help to stop thieves. Smart key fobs use rolling security codes that prevent hacking, and when placed in the ignition, the car's computer verifies the code within milliseconds. Mercedes-Benz invented this technology, which is now used by luxury car manufacturers.
Another useful feature is that many smart key systems will continue to operate if the user forgot the key in the trunk, left it at the restaurant or if it is lost during an excursion. Certain systems will also notify the driver if the battery is depleted. Certain brands have key covers specifically made for smart keys that keep the fob protected from damage.