See also:

Side ventilators
Side ventilators 1) Open 2) Close 3) Thumb-wheel Move the tab to adjust the flow direction. To open or close the ventilator, turn the thumb-wheel up or down. ...

Warning and indicator lights
...

Cleaning aluminum wheels
● Promptly wipe the aluminum wheels clean of any kind of grime or agent. If dirt is left on too long, it may be difficult to clean off. ● Do not use soap containing grit to clean the wh ...