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Vehicle Smart Key Technology

Vehicle smart key technology allows drivers to unlock and start the car simply by touching the door handle or placing the key in the pocket. It also enables a range of other adjustments, like seats positions, internal temperature settings, stereo presets, and mirror positioning.

This could also raise security issues.

Security

Smart keys are computerized key fobs which communicate with the vehicle via an embedded antenna to unlock doors and activate the motor. Smart key fobs, as opposed to conventional keys that emit the same frequency each time they're used, transmit encrypted signals which are only compatible with the specific car smart key programming near me to which they belong to. This makes it much more difficult for tech-savvy thieves to spoof or intercept the signal and use the key to steal your car.

For instance, Mercedes' system -known as Keyless Go -- has an internal transponder, which identifies the key of the driver. 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 a button on its key.

Certain smart keys, such as the ones made by BMW and Mercedes-Benz, also come with user-specific settings that permit drivers to alter the seat, mirrors and steering wheel's position and audio preferences with the click of a button. They also come with a backup lock that prevents the vehicle from starting without the key.

This technology protects drivers from getting their car locked accidentally, especially when searching in bags or purses for keys on a parking lot with people who are not familiar with the area or where crime is high. Many systems will also alert drivers when the battery in their keys is low, though this feature varies by manufacturer.

Convenience

The smart key is ideal for those in a hurry to get somewhere. You can lock, unlock and start your car by pressing the door handle or the trunk release. The key fob will interact with your phone to keep track of charging, location and other information about the vehicle, explains Popular Mechanics.

You can't accidentally lock your keys inside the car. The key fob communicates with the antenna inside the vehicle to determine if it's within range. If it's not, the engine won't not start. This will stop thieves from taking your vehicle and then selling its parts.

BMW reports that the smart car key programmer key utilizes rolling codes, as well as to protect against hacking and cloning. The computer inside the vehicle detects and validates the code before starting the motor. Many systems also have a mechanical backup in the form of an invisible key blade to serve as a styling tool.

how to unlock a smart car without a key Stuff Works Electronics notes that modern smart keys can also detect when the key is used and adjust the car settings in line with the use of the key. If you switch on the vehicle while holding the key in your palm, for example, the windows and the sunroof can be opened to allow fresh air to enter the interior. You can also set the speed limit which will only be in effect when the car is started with the selected key, which can be useful when loaning your vehicle to a novice 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 do this, hold the lock button down and then press the unlock button.

This will disable your smart key fob from transmitting or receiving radio waves, which will extend its battery's lifespan significantly. It is possible to reactivate the function by pressing both the lock and unlock buttons again.

Some smart keys have anti-theft functions that prevent them being copied by thieves. For instance, Mercedes-Benz smart keys for cars keys use rolling codes to prevent unauthorized access to the vehicle. When the smart key is inserted into the ignition, a computer inside the car checks the code in milliseconds before even starting the engine. BMW also has a similar system with its Display Key, which features an LCD touchscreen on the smart key to make it easier, and allows drivers to lock or unlock their vehicles without ever taking the key from their pockets.

If you're thinking of buying a new car with a smart key, or if you require the battery in your smart key replaced, contact Pop-A-Lock for a quick and efficient service. Our mobile locksmiths can change the battery on any smart key and help to set it up so that your car can recognize it.

Special Cases

Smart keys are not 100 100% theft-proof, but they help deter thieves. Smart keys are designed to stop hackers from hacking the system. When placed in the ignition of the vehicle, the computer verifies the code in milliseconds. Mercedes-Benz invented this technology, which is now used by luxury car manufacturers.

Another benefit is that most smart key systems will continue to work even if the user has forgotten the key in the trunk, left it at a restaurant or lost it on hiking. Certain systems will notify the driver when the battery is not fully charged. Certain brands provide key covers specifically designed for smart keys to keep the fob protected from damage.