How do you replace the blower motor in a 2005 Chevy cavalier?

To replace the blower motor in a 2005 Chevy Cavalier, first ensure the vehicle is off and disconnect the negative battery terminal. Remove the passenger side lower dash panel to access the blower motor, then disconnect the electrical connector and unscrew the mounting screws holding the blower motor in place. Remove the old motor, install the new one by reversing the steps, and reconnect the battery. Finally, test the blower motor to ensure it operates correctly.