Check the battery terminal connections also a good idea check the condition of the cables ensure the ground is clean and tight. Charge the batt. if you don't have a charge take it to Orelley or Autozone like place they will charge it and check to see if the battery is faulty. Once you get it started check the charging system or the auto parts stores will also do this check for you if you needed it. If you have AAA they will also do these checks for you if you need it.