John Keeble/GettyTesla is recalling 1.8 million cars in the US, the NHTSA said.The concerns revolve around issues with the software that detects when a hood is unlatched.The recall is the latest headache for Elon Musk's EV company.Tesla is recalling 1.8 million cars in the US due to issues with the hood, the National Highway Traffic Safety Administration said.The concerns revolve around issues with the software that detects when a hood is unlatched, the NHTSA said.