Volunteers needed for 2023 Chevrolet Detroit Grand Prix presented by Lear Looking for 1,500 volunteers June 2-4, 2023 t.co/4Re2dUeO42 #Detroit #Windsor #metrodetroit #Grandrapids #annarbor #downtownDetroit #midtowndetroit #waynecounty #detroitgp2023 t.co/3tPIAgGRAp