See also:

Trailer safety chains
WARNING Always use safety chains between your vehicle and the trailer. Towing trailer without safety chains could create a traffic safety hazard if the trailer separates from the hitch due to cou ...

Tachometer
The tachometer shows the engine speed in thousands of revolutions per minute. Do not operate the engine with the pointer of the tachometer in the red zone. This may cause severe damage to ...

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 ...