I have to take back my 5 star rating and drop it t...

I have to take back my 5 star rating and drop it to 1. On prior service appointments I have had my hood left open and my tires under inflated. After assurances from the Service manager I returned for a 30K service. They reported everything was in perfect working order - they did not change my oil as not enough miles had accumulated. After leaving the dealership I decided to check ny oil level. It was a full quart low. It states right on my invoice that all fluids were checked and filled. So either they didn't properly fill my oil at the last change or it is using oil.and they didn't notice. I can't bring myself to trust taking it back to them. Going to Renton Toyota for a check up o n the engine.