A:AnswerAll KitchenAid consumer stand mixers sold in the USA and Puerto Rico come with a full 24 month warranty on parts and labor. Save your sales receipt to prove you date of purchase should you need to have service on it.
A:AnswerYes it's normal to have this grease, but it's not safe to mix food with it.
Use baking soda and or olive oil to clean it - that's what we did and it worked well.