Actually, the scenario you described is not too bad

來源: 2009-06-28 05:59:06 [舊帖] [給我悄悄話] 本文已被閱讀:

I don't have manual for cars made recently. But the owners manual for older cars says that normal oil change duration is 6000 miles or 6 months. 3000miles or 3 months is for severe driving condition such as stop-and-go, local driving, short trip etc.