2007 Toyota Prius Owners Manual - Page 312

Touch the "TEMP" switches and hold either one until the maximum figure or minimum figure appears. If manual fan speed control is desired- 1. Fan speed at low 2. Fan speed at high The fan speed can be set to your desired speed by touching the appropriate air flow control switch. The higher the fan speed is, the more air is delivered. Touching the "OFF" switch turns off the fan. 27p159 To remove exterior windshield frost, use the high speed setting. The selected mode is highlighted in green. Type 1 and Type 2 27p114a Type 3 295