Vehicle operation system and computer readable non-transitory storage medium

A computer-readable non-transitory storage medium comprising instructions being executed by a computer, the instructions including a computer-implemented method for controlling a controller in a vehicle operation system, which performs a control of a control target device by performing a predetermined operation of a driver on a steering wheel of a vehicle, the instructions including:

• calculating a visual line position of the driver;
• calculating a display position on a display arranged on a far side of the steering wheel from the visual line position of the driver using a calculation result of the visual line position and a position coordinate of the steering wheel, the display position not hidden behind the steering wheel;
• and
• displaying display information indicating a content of the operation on the steering wheel at the display position.