2010 Mercury Milan Owner's Manual - Page 281

Maintenance and Specifications • 2.5L I4 engine • 3.0L V6 engines •Do not overfill the engine with oil. Oil levels above this mark may cause engine damage. If the engine is overfilled, some oil must be removed from the engine by an authorized dealer. 7. Put the dipstick back in and ensure it is fully seated. On the 2.5L I4 engine, be sure the notch in the dipstick flange is aligned with the V on the engine when it is reinserted. Adding engine oil 1. Check the engine oil. For instructions, refer to Checking the engine oil in this chapter. 2. If the engine oil level is not within the normal operating range, add only certified engine oil of the recommended viscosity. Remove the engine oil filler cap and use a funnel to pour the engine oil into the opening. 3. Recheck the engine oil level. Make sure the oil level is not above the normal operating range on the engine oil level dipstick. 4. Install the dipstick and ensure it is fully seated. 5. Fully install the engine oil filler cap by turning the filler cap clockwise until it stops. To avoid possible oil loss, DO NOT operate the vehicle with the engine oil level dipstick and/or the engine oil filler cap removed. 281