How do you change a battery on a 2001 Saturn SL2?

To change the battery on a 2001 Saturn SL2, first, ensure the vehicle is turned off and pop the hood. Disconnect the negative (-) battery cable first, followed by the positive (+) cable. Remove the old battery by unfastening any securing brackets, then place the new battery in the tray. Reconnect the positive cable first, followed by the negative cable, and ensure everything is secure before closing the hood.