Mercedes G Class AMG | Keyless Go Anti Theft | Key Battery Change Replacement

Smart Keyless Keeper is a simple chip that is inserted from both sides of the battery. If you have ever replaced the battery of the key fob, you can install the chip without the help of the technician.

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ELECTRONIC CHIP FOR KEYLESS CAR PROTECTION

Our Smart Keyless Keeper contains a chip that is placed on the battery and controls the power output requirement depending on the motion to protect you against car theft. There is no need to install any device into the car itself or to intervene in the electronics of the key fob. The thefts of KEYLESS cars via signal extender (a device that extends the range of the key fob exponentially) have become common. Thieves are therefore able to open, start, and steal the car even if the key fob stays with the owner. Our solution is relatively simple yet very effective. It consists of a chip with a motion sensor detector and is installed in the key fob. When motionless, it deactivates the key by disconnecting the battery to make sure that it will not be misused with a KEYLESS Extender. A simple touch on the key can activate it. The main advantage of our solution is maintaining the comfort of the KEYLESS feature without sacrificing security.

The Keyless Defender chip
suitable for 95% car keys (with battery CR2032, CR2025 or CR2450)
very low power consumption (1uA), usually increases battery lifetime
the surface coating of the chip assures higher resistance to mechanical and climatic conditions

Basic functions:
Disconnecting the key’s battery 3 minutes after the last movement of the key.
Reactivating the key immediately after detecting movement.
After the chip installation, the user can use the Keyless Go system without limitations.

Installation:

Remove the vehicle key battery according to the instructions of the vehicle manufacturer.
Choose a suitable new battery, depending on the key type, see the photo on the cover of the packaging and slide on the chip, + pole of the battery on the chip part with electronics, see the photo.
The correct operation is indicated by the red LED diode on the chip, which indicates the start and end of the movement, a maximum 1 minute after connecting to the battery.
Insert the battery with the chip back into the key according to the photo on the packaging. Be careful not to damage the chip retaining strips and electronics.
Close the key according to the manufacturer’s instructions.
Test the chip function regularly, leave the key in the vehicle without movement f for more than 3 minutes, then activate the ignition, the key will not be detected, moving the key will activate the chip and it will be possible to use the key again in a standard manner.

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