While driving out of parking lot during a very warm day (100 degrees), A/C blower was on high as normal: 1. A/C blower suddenly stopped working. 2. A smell of something burning became evident inside car 3. Suddenly smoke started coming out of passenger side defroster and A/C vent 4. After passenger exited vehicle, I went to look under passenger glove compartment and discovered a small fire under dash. Tried to douse flames with water bottles, but with no effect. 5. Opened glove compartment box and flames came out of opening immediately. 6. Witnessed a small size soup can and melting plastic fall on passenger floor of dripping fire 7. Fire spread suddenly up into dash and windshield and then cabin 8. Called 911 and fire department arrived within 3-4 minutes. 9. Fire became an inferno and car burnt to the ground