Any suggestions/advise if necessary or recommended to change the oil after new vehicle's break-in period of 1000KMs? It doesn't state any such maintenance in the owner's manual of the new CX9 just some basic tips of no hard acceleration, no hard braking, not to travel for ext period of time at constant engine speed and not to over rev engine and no towing. Pretty sure modern engines require less maintenance these days compared to 20-30 yrs ago...