Lift the adjusting handle at the lower right of the seat and loosen the fixing device, so that the seat can move back and forth. After adjusting the position, loosen the adjusting handle to fix the seat. Turn the adjustment knob on the left side of the seat to adjust according to the driver's figure. When adjusting, use the strength of the back to adjust the tilt angle of the back until the palm can press the upper end of the steering wheel.