How do you replace 2002 Pontiac Bonneville blower motor for heater?

To replace the blower motor in a 2002 Pontiac Bonneville, first, ensure the vehicle is off and disconnect the battery. Remove the passenger side lower dashboard panel to access the blower motor, then disconnect the wiring harness and unbolt the motor from its housing. Install the new blower motor by reversing the removal steps, reconnect the wiring, and reattach the dashboard panel before reconnecting the battery. Finally, test the system to ensure proper operation.