Does anything even show up on the dipstick with 2 quarts?
I put 2.5 quarts in once just figuring that I could use the same 5 quarts(1 5 quart jug or 5 quart-sized bottles) and that ends up with oil only about halfway between the add and full lines on the dipstick. I fill it to the top line on the dipstick because I'd rather have more oil for dilution and the amount that Honda wants us to have. 2 quarts won't help your car warm up faster, the huge chunk of metal and coolant is a much larger chunk of thermal mass than an insignificant .6 quarts.
2000 MT Insight "Silver Sipper"
2000 MT Insight Silver "Clone"