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15 Smart Car Key Programming Benefits Everyone Must Know
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. smart car key fob enables a range of other adjustments like seating positions and temperature settings inside the car, stereo presets and mirror positions.

However, this can 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 activate the motor. In contrast to conventional keys that emit the same frequency signal every time they are activated, smart keys transmit encrypted signals that are specific to the car they belong to. This makes it much more difficult for tech-savvy criminals to detect or spoof the signal, and use your key to steal your vehicle.

Mercedes' Keyless Go system for instance, comes with an internal transponder that identifies the driver's key. The Smart Key automatically unlocks and opens the doors and the tailgate when it is within 1.5 meters. It also begins the engine by pressing the key.


Some smart keys, such as those made by BMW, also have user-specific settings that allow users to alter the seat, mirrors and steering wheel's location and even audio preferences with the press of a single button. They also come with a backup lock that keeps the vehicle from starting without the key in the ignition.

This technology stops drivers from getting their car locked accidentally particularly when they are searching backpacks or purses for keys on the parking lot of strangers or on a busy street where crime is high. Some systems also notify drivers when the key is running low on battery, but this feature is dependent on the manufacturer.

Convenience

The smart key is ideal for those who are in a hurry to get somewhere. By pressing the button on the trunk release lever or door handle, you can open, lock and open your vehicle. Popular Mechanics explains that the key fob can be used to track charging location, charging status, and other information about your vehicle.

A major benefit is that you can't accidentally be locked out. The key fob communicates with an antenna in the vehicle to determine whether it is within the range. If not, the engine will not start. This will stop thieves from absconding with your vehicle and selling parts of it.

The smart key also employs rolling codes to prevent hacking attempts as well as cloning, according BMW. A computer in the vehicle is able to recognize the code and confirms it before starting the engine. Many systems also have a backup mechanical system that is a key blade that's hidden to be used for styling purposes.

Modern smart keys also know which keys are in use and adjust the vehicle settings in accordance with the key's use, according to How Stuff Works Electronics. For instance, if you turn on the car while holding the key fob in the palm of your hand the windows and the sunroof are opened to ventilate the cabin. You can also set the speed limit to only be applicable when the vehicle is started using the chosen key, a feature that could be useful when loaning your car to a new driver.

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, then press the unlock button.

This will prevent your smart key fob's smart device from being able to send or receive any radio waves. This will significantly extend its battery life. You can reactivate this feature by pressing the unlock and lock buttons again.

Certain smart keys also have anti-theft features that prevent them from being copied by thieves. For example, Mercedes-Benz smart keys use rolling codes to block unauthorized vehicle access. When a smart key is inserted into ignition, a computer within the car verifies the code in milliseconds prior even starting the engine. BMW also has a similar system with its Display Key, which includes an LCD touchscreen on the smart key for added convenience and lets drivers lock, unlock, and start their cars without ever removing the key from their pockets.

Contact Pop-A-Lock if your need to replace the battery in your smart key fob or if you are thinking of buying a car with a smart-key. Our mobile locksmiths will change the battery of any smart key, and will help you set it so that your car can recognize it.

Special Cases

Smart keys aren't 100% safe from theft, but they can help deter thieves. Smart key fobs are designed to stop hackers from hacking into the system. When placed in the ignition of the vehicle the computer checks the code in milliseconds. This technology was developed by Mercedes-Benz and is now employed by many premium car brands.

A smart key system will work even if it is not possible to remember the key in the trunk or leave it at a restaurant. Certain systems will also notify the driver if the battery is running low. Certain brands have key covers specifically designed for smart keys. They keep the fob protected from harm.