Another question for you guys, I'm from downunder in New Zealand and have a 2003 Hyundai Santa Fe, now in the owners manual servicing and oil changes are set down for 15000 kilometre intervals [about 9000 miles] which is one of the reasons I changed to synthetic oil. I read everywhere how you guys change your oils at a mere 3000 miles or so. Have you any thoughts as to why this should be. My last car was a 2001 Toyota Camry 2.4 and that was the same in the manual [15000 ks]. Also when I took my Santa Fe in for the first 1000 kilometre check I asked the service manager what oil they used and he told me that we don't change oil any more when vehicle is new [1000 ks] not until 15000 ks. I rang Hyundai NZ and was told the same thing. I don't think Hyundai or Toyota in USA have set their oil change intervals as high as us.I just can't see why there should be any difference after all we are still in the same world....or are we???I will be interested at your comments....regards all...rugbykiwi.