i just got home this eavning after6 weeks in florence italy anbd my 9-3 wont start. it wantys to but it wont. after i tried for a while the lights started to dim so nowi def need to charge the battery if i didnt before. but i tried to jump it with my friends car and that didnt work, though i think i may not have left it on long enough. anyways any ideas would be appreciated. thanx.