Originally Posted by onzedge

Actually, the coolant is not premixed. I just drained/flushed my cooling system last weekend and replaced the coolant with Nissan part number L248SP. It is the green stuff you typically get at the Nissan parts counter and needs to be mized 50/50 with water. Note: ALWAYS use distilled water in your cooling system,

An exception is if you can get teh blue stuff that comes with the car from the factory. It is premixed, but is also hard to find. BTW: there is no issue with mixing the blue and green.

Have a safe 4th!!!