hi folks i need your help/ advise in a really bad way...i was driving with my friend in her honda accord 2001-2003 model, the cars an automatic an wen she was driving i was messing with the gear stick an put it in reverse by an accident (yes i know im a dumb ***!!)now the car wont go into reverse it jus has this grinding noise....is this the gearbox totally screwed??or could it be something else??i thought it was impossible to put a car into reverse while driving!!thank you for your relies!!