There was a time when changing an auto’s motor oil at three months or 3,000 miles was a maintenance
commandment, but consumers’ attitudes about changing their vehicles motor oil are shifting, according to auto
aftermarket research by The NPD Group, a leading marketing research company. In response to NPD?s 2012 Aftermarket
Outlook Survey conducted in August 2011, 51 percent of vehicle owners said they believe that oil should be changed
every 3,000 miles or three months, down from the 59 percent of consumers who held this belief in
2007.