How important is it to use Toyota's own a/c fluid - was using 50/50 - recently
bought straight as service man suggested due to age of car 2000 Camry -
yesterday I had to use neighbors a/c fluid as I did not see any fluid - it was not
You mean anti-freeze. If it was the same color, you should be OK, it's not good to mix. Kind of antifreeze is more important than brand. Since you have to add frequently, you have a leak. Either it's leaking enough you can see it on the ground, or it's evaporating before. You also could be burning it.
check your oil. if it's milky looking, you have a problem, like a head gasket gone bad.
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