i've got the old version of ghia...year 1996....with 6 seater...bought second hand of course....mileage only 96,000... when i bought it around christmas 2006..the mileage was 90,000...previous owner said i need not to service again for the next 10,000 miles...is this true? by the way, has anyone solve the conversion of 6 seater to 7 seater...thanks..