Hi i have a 2000 altezza gita..i drove over a bump the other day and the head lights come on while still running...i also notic the car kind of pull back like it lost power..i pulled over turned the car off an it wouldnt start...i had 2 get it towed...when i tried starting it it made a clicking noise..but the battrie has since died an now it majes the flat battrie sound...ive been told it sounds like the starter motor..but im a young mum qn have no idea how or what 2 do in this case...please help..