2007 Toyota Prius Owners Manual - Page 207

You can do this operation when you want to operate an answering machine or use a telephone service in bank for example. You can register the phone number and the code number in the phone book. 27p211 27p212 D Sending a tone by the speed tone You can send a tone by the speed tone. (For registering the speed tone, see "Registering the speed tone" on page 195.) 1. Touch the "Speed Tone" switch. 2. Touch the desired switch to send a tone. 190