2007 Toyota Prius Owners Manual - Page 189

INFORMATION In the following conditions, the system may not function. D The cellular phone is turned off. D The current position is outside the communication area. 27p333 27p334 D The cellular phone is not connected. D The cellular phone has a low battery. By pushing the telephone button above, you can receive a call or hang up without taking your hands off the steering wheel. You can use the microphone above when talking on the phone. 172