How do you turn off Chevy 04 impala fan system?

To turn off the fan system in a 2004 Chevy Impala, simply set the climate control system to the "Off" position. If the fan continues to run after turning off the climate control, check the vehicle's ignition and ensure that it's in the "Off" position. Additionally, if the fan is still operating, it might indicate a malfunction in the system, and further inspection may be needed.