Basic Settings. First plug the device into the computer.After entering ,the following prompt will pop up,please click "Ignore".Go to the Control menu and enable the "Truck Gearshift Knob". Scroll down to "H-shifter setup".When "Clutch or throttle" is for "Shifter fast (advanced only)",you can switch between Low/High gears by depressing the clutch or releasing the throttle. 2 settings are as follows. settings are as follows.Key binding. Please turn the splitter and rang selector to the lower position first.Then find the shifter toggle in the controls menu. Click the "Shifter Toggle:1",at this time,turn the rang selector to the upper position,and then dial it back to the lower position; Click the "Shifter Toggle:2",at this time,turn the splitter to the upper position,and then dial it back to the lower position;Finally tick the "Shifter Toggles use Switch Mode" checkbox.Troubleshooting. 1.Unable to bind key. : a.Check if the "Truck Gearshift Knob" device is enabled in the "Control" page of . b.Whether all devices enabled in are connected to the computer.Therefore,if the enabled devices have been connected to the computer but still cannot perform key binding,you can try to close other devices at this time(in the enabled device bar,check other enabled devices as "None"),and then perform key binding.Fitment:Applicable to modified G25 / G27 / G29 / H/TH8A TH8A gearSUPPORTED GAMES:American Truck SimulatorEuropean Truck Simulator 2and other simulators and gamesFeature:high qualityhigh and low gear handball head, suitable for players who modify G25 / G27 / G29H/ TH8A gear ETS2 & ,can use the switch to quickly switch between high and low gears, including two switchers, up to 18 gears.USB cable, plug and play, easy to install, only supports PC windows systemSetting:Open the ETS2 / game settings: option Controls(KeyboardSelect add joystick controller name) mission H-ShifterShifter layout ( 10/13/18 speeds)Shifter Toggle:1 Joy Button 1Shifter Toggle:2 Joy Button 2Shifter Toggle use Switch ModeSpecification:Type: Shift KnobApplicable: PC-USBColor: black + silvermaterial: plasticPackage Contents:1 x EST2 shifter knobOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.