Originally Posted by biggitybakes
Just be more explicit with them when you drop your car off. Tell them exactly what you want done (I want synthetic 5w30) and to speak with you before they do anything else.
Not sure I agree. OP didn't want an oil change, and they didn't discuss it when he dropped it off. I'm sure they also didn't discuss filling the washer fluid reservoir with grape soda... and as such, he'd have a right to be upset if they did.