I had the oil changed yesterday and now my car have a different sound to it on 2009 Chevrolet HHR

My CAR are vibate and long I put gas to it it run find soon I get off the gas I here a knocking sound to my car do I have enough oil in my car

Did you by any chance , have the oil level inspected before continuing to run it?
hehehehehehehehe, Ouch! Another question......where exactly did you go to have the oil change? I want to make sure to tell people to avoid that place. Thanks.