See also:

Recommended clutch fluid
Refer to “Fluids”. Never use different brands of clutch fluid together. Also, avoid mixing DOT 3 and DOT 4 brake fluids even if they are the same brand. ...

Changing the coolant
Never attempt to remove the radiator cap until the engine has been shut off and has cooled down completely. Since the coolant is under pressure, you may suffer serious burns from a spray of boilin ...

ON
This is the normal operating position after the engine is started. ...