Vehicle Smart Key Technology

The smart car key coding key technology found in automobiles allows drivers to open and start their car by just touching the door handle, or putting the key in the pocket. It also enables a range of other adjustments, including seats positions and internal temperature settings, stereo presets, and mirror positioning.

This could also create security concerns.

Security

Smart keys are computerized key fobs which communicate with the vehicle through an embedded antenna. It can unlock doors and start the motor. As opposed to traditional keys, which emit the same frequency signal every time they are pressed, smart key fobs transmit encrypted signals that only match the car they belong to. This makes it more difficult for criminals with a technological edge to spoof or intercept the signal and use your key to steal your car.

For example, Mercedes' system -known as Keyless Go -- has an internal transponder, which identifies the driver's keys. The Smart Key automatically unlocks and opens the doors and tailgate when it is within 1.5 meters. It also turns on the engine by pressing the key.

Furthermore there are smart Car key programmer keys thatlike those made by BMW have their own user settings that allow the driver to adjust the mirrors, seat and the position of the steering wheel as well as audio preferences with the click of a button. They also have a backup lock that prevents the vehicle from starting if it is not connected to the key.

This technology prevents drivers from not locking their cars properly especially when looking in backpacks or purses for keys on an open parking lot with people who are not familiar with the area or where crime is high. Many systems will also inform drivers if the key battery is low, but this feature can vary by the manufacturer.

Convenience

The smart key is ideal for those in a rush to get to their destination. By pressing the button on your trunk release or door handle, you can open, lock and open your vehicle. Key fobs can also connect to your phone to keep track of charging and location as well as other information about the vehicle, says Popular Mechanics.

One of the biggest advantages is that you can't accidentally lock yourself out. The key fob communicates with an antenna in the vehicle to determine whether it's in range. If it's not, the engine will not start. This is a deterrent to thieves who would steal your vehicle in order to sell its parts.

The smart key uses rolling codes to prevent hacking attempts as well as cloning, according BMW. The computer in the vehicle detects and validates the code prior the start of the motor. Most systems have a physical backup system that is an unnoticed key blade.

How Stuff Works Electronics notes that modern smart keys also detect the key being used and adjust the vehicle settings in accordance with the key's use. If you turn on your vehicle while holding the key in your hand, for example the windows as well as the sunroof will open to allow air circulation to the interior. You can also set up a speed limit that will only be applied when the car is powered by the chosen 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 car key not working 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 until you release it and press the unlock button.

This will block your smart key fob from being able to transmit or receive radio waves. This will dramatically extend the life of your battery. You can always restart this function by pressing the unlock and lock buttons once more.

Certain smart keys have anti-theft features that stop them from being stolen by thieves. For instance, Mercedes-Benz smart keys use rolling codes to block unauthorized access to vehicles. When a smart key is inserted into ignition, a computer within the car verifies the code in milliseconds, before even starting the engine. BMW also has a similar system with its Display Key, which comes with a small LCD color touchscreen on the smart key for ease of use, and enables drivers to lock, unlock, and start their cars without ever removing the key from their pockets.

If you're considering purchasing the latest car equipped with a smart key, or need the battery of your smart key fob replaced, call us at Pop-Alock for a fast and easy service. We can replace the battery on any smart key, and our mobile locksmiths will assist you in setting it up so that your vehicle can recognize it.

Special Cases

While smart key repair keys are not secure against theft, they can help to hinder thieves. Smart keys utilize rolling security codes to protect against hacking, and when placed in the ignition, the car's computer checks the code in milliseconds. This technology was invented by Mercedes-Benz and is now utilized by many premium car brands.

A smart key system will continue to function even if you lose the key in the trunk or leave it at an establishment. Some systems will alert the driver when the battery is depleted. Certain brands have key covers specifically designed for smart keys to guard the fob from damage.