I will do like I did to my 2005 HCH. I will change the oil every 4K miles, since I do severe driving conditions (almost 100% city driving). That car drove pretty smoothly and I sold it at almost 84 K miles. At over 2700 miles, the car said I still have 70 % oil life. I am going with my good experiences. It is worth the extra money to have your car run so smoothly over the long term.