Rural Minnehaha County, SD (KELO-AM) - A sport utility vehicle was left in neutral or drive gear Saturday, leading to a free car wash in Split Rock Creek Saturday. The mishap took place at Palisades State Park near Garretson. Minnehaha County Sheriffs Office responded to the scene, finding an unoccupied floating vehicle and no injuries. Officials say they are unsure of how the accident happened...they'll wait until Sunday to recover the vehicle.