Hello honestly guys and gal's. My car Holden comm ve sv6 2007, I'm a bit fool I search a lots command words in holden comm here. Don't know which is right one. I want to know right one, Yesterday I driving there coolant no temptation hot come up yet on dashboard driver.... smooth running, in the morning cold the car not turn on yet I check oil is fine (lucky no milky), I check power steering good, I check brake fluid good, I check reservoir dipstick coolant good, I check centre engine black cap reservoir coolant is EMPTY I was surprised Oh what THE im a bit stressed now, what can i do this one???...... Thank you for your patience and professional command.