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. ...

Parking on a grade
Always block the wheels under both vehicle and trailer when parking. Apply the parking brake firmly. You should not park on a hill or slope. But if parking on a hill or slope cannot be avoided ...

Unleaded gasoline
The neck of the fuel filler pipe is designed to accept only an unleaded gasoline filler nozzle. Under no circumstances should leaded gasoline be used because it will damage the emission control system ...