Mazda CX-9 Owners Manual > Owner Maintenance: Engine Oil
NOTE Changing the engine oil should be performed by an Authorized Mazda Dealer. Refer to Introduction for owner's responsibility in protecting your investment. Recommended Oil U.S.A., Canada, and Puerto Rico Use SAE 5W-30 engine oil. Mazda Genuine Oil is used in your Mazda vehicle. Mazda Genuine 5W- ...