Have a 2001 Monte Carlo SS that won't start

If you have to jump start the vehicle, it is important to check the battery and determine if it has lost its state of charge. If so, then you need to find out why. It could be that there is a parasite draw with some component causing this. Or, there could be a charging system issue. This will require troubleshooting. If the battery has not lost charge, or capability of holding a load, then there could be corrosion present, wiring issues, or a starter issue.