Correct answer
Yes, and it must be between the maximum and minimum marks.
Yes; it should be between MIN and MAX under the manufacturer’s specified checking conditions. Check it periodically rather than waiting for abnormal temperature, and do not fill the tank to overflowing. Do not open a hot, pressurised cooling-system cap because of the burn risk. Use the specified coolant and have leaks or repeated drops investigated; topping up does not necessarily resolve a fault.
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No, it is only necessary when you notice an abnormal increase in the engine's operating temperature.
Yes, and it must be between the maximum and minimum marks.
Yes, and I must check that the tank is overflowing.
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