ok i got a problem with my hatch when i drive my battery light goes on and the rado goes off but if i turn the headlights on and the battery light wont go on and the radio wont go off at all. ok i thought it was the alternator but am not sure i havent replaced it the battery i got it check and it was fine... so i need to know what gives.

 

yes, you have alternator issues. soon it will fail for good, drain your battery and leave you stranded.