2007 Toyota Prius Owners Manual - Page 215
2007 Toyota Prius Manual
Page 215 highlights
27p234 27p235 27p232 4. Input the number and touch "OK". D Deleting the speed tone individually. You can delete "1" to "6" of the speed tone. If you delete them all at once, all of 6 numbers are deleted. 1. Touch the "Delete" switch of "Speed Tone". 2. Touch the switch you want to delete. 198