See also:

Acc
In this position the electrical accessories (audio, accessory power outlet, etc.) can be used. ...

Fan speed control dial
The fan operates only when the ignition switch is turned to the “ON” position. The fan speed control dial is used to select four fan speeds. ...

To increase the speed (by accelerator pedal)
1. Depress the accelerator pedal to accelerate the vehicle to the desired speed. 2. Press the “RES/SET” switch to the “SET” side once. Now the desired speed is set and the vehicle will keep running ...