How do you Replace blower resistor on 2003 Buick century?

To replace the blower resistor on a 2003 Buick Century, first, disconnect the negative battery terminal to ensure safety. Remove the passenger side lower dash panel to access the blower motor resistor, which is typically located near the blower motor. Disconnect the electrical connector from the resistor, remove the screws securing it, and replace it with the new resistor. Reassemble by reversing the steps and reconnect the battery.