2008 Toyota Highlander Navigation Manual - Page 218
2008 Toyota Highlander Manual
Page 218 highlights
OTHER FUNCTIONS 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. 4. Input the number and touch "OK". 1. Touch "Delete" of "Speed Tone". 2. Touch the touch−screen button you want to delete. 3. Touch "Yes". 148