How to Customize TURBO?1. Press and hold the button "TURBO" on the adapter2. Then press the button that you need to customize on the GC Controller3. Release them both, you"ll find that the LED on the adapter will light up, which means the button is successfully customized with TURBO.4. Repeat the above steps 1, 2 and 3 to customize the button you set with AUTO FIRE function.5. Repeat the above steps 1, 2 and 3 for the third time to cancel the TURBO and AUTO FIRE function you set already.6. All TURBO and AUTO FIRE settings will be deleted if you quickly press the button "TURBO" on the adapter twice.