10 Unexpected Smart Car Key Programming Tips

Vehicle Smart Key Technology

Smart keys in vehicles allow the driver to unlock and start the car simply by pressing the door handle or putting the key in the pocket. It also permits a variety of other adjustments, including seat positions and internal temperature settings, mirror position and stereo presets.

This can also cause security worries.

Security

Smart keys are computerized key fobs that communicate with vehicles through an embedded antenna. It can unlock doors and activate the motor. Contrary to conventional keys, which emit the identical frequency signal each 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 advanced technology to spoof or intercept the signal and use your key to steal your car.

For instance, Mercedes' system -known as Keyless Go -- has an internal transponder that can identify the driver's key. The Smart Key automatically unlocks and opens the doors and tailgate when it is within 1.5 meters. It also starts the engine by pressing a button on its key.

Certain smart keys, like those made by BMW, also have user-specific settings, which allow the driver to alter the mirrors, seat and steering wheel's position and audio preferences with the push of a button. They also come with 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 cars, particularly when they are rummaging through their purses or backpack for keys in a parking lot packed with people or on a busy street with high rates of crime. Many systems will also inform drivers when the battery of their key is low, but this feature varies by the manufacturer.

Convenience

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

You can't accidentally lock your keys in the car. The key fob communicates with an antenna in the vehicle to determine if it's within the range. If it's not, the engine will not start. This will deter thieves who would take your vehicle and sell the parts.

The smart key uses 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. A majority of systems also have a mechanical backup that is an unnoticed key blade to serve as a styling tool.

Modern smart keys also recognize the key that is being used and adjust the settings of the vehicle in accordance with the key's use, according to How Stuff Works Electronics. If you turn on your vehicle while holding the key in your palm for instance windows and sunroof will be opened to let air circulate the interior. You can also set up a speed limit that will only be used when the vehicle is powered by the chosen key. This feature could be beneficial if you're lending your vehicle to a person 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 it make sure you press and hold the lock button while pressing the unlock button.

This will prevent your smart key fob to send or receive any radio waves. This will greatly extend the battery's life. It is possible to reactivate the function by pressing both the lock and unlock buttons again.

Certain smart keys have anti-theft features that prevent them from being copied by thieves. Mercedes-Benz smart keys use rolling codes to prevent the unauthorized access. When a smart key is inserted in the ignition, a computer in the car checks the code in milliseconds prior to it starts the engine. BMW has a similar system with its Display Key, which has a small LCD color touchscreen on the smart key for convenience, and lets drivers lock, unlock, and start their cars without ever removing it from their pockets.

If you're considering purchasing the latest car equipped with a smart key, or require the battery in your smart key fob changed, contact us at Pop-A Lock for a quick and efficient service. Our mobile locksmiths will change the battery on any smart key and assist to set it so that your car recognizes it.

Special Cases

Smart keys are not 100% theft-proof but they can help deter thieves. Smart key fobs use rolling security codes that prevent theft, and when placed in the ignition, the vehicle's computer validates the code within milliseconds. This technology was invented by Mercedes-Benz and is now used by a variety of luxury car brands.

Another great feature is that most smart key systems will continue to operate even if the user has forgotten the key in the trunk, left it at an eatery or lost it on a hike. Some systems will also notify the driver if the battery is not fully charged.  smart key for car G28 Car Keys  offer key covers specifically designed for smart keys to keep the fob protected from harm.