Where is the fuse for the heater blower fan on a 2007 Chevy cobalt?

The fuse for the heater blower fan on a 2007 Chevy Cobalt is located in the under-hood fuse box. Specifically, it is labeled as "HVAC" or "Blower" and is typically a 40-amp fuse. You can find the under-hood fuse box near the battery, and the diagram on the cover will help you identify the correct fuse. Always ensure the vehicle is off and the keys are removed before checking or replacing fuses.