Detect whether key remote is working. Whether the key can start the vehicle. Features: Integrated interface board makes installation simple and efficient. It can detect whether the current key remote is working. Pressing the key button, when the green light lighting, it indicates that the current key remote is working. It can detect whether the current key can start the car. Placing the key on the induction coil and pressing “TEST”. When the green light lighting, it indicates that the current key can start the car.
