2007 Toyota Sienna Navigation Manual - Page 100

OTHER FUNCTIONS 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. D The cellular phone is not connected. D The cellular phone has a low battery. You can use the microphone above when talking on the phone. The other party's voice outputs from the driver's speaker. When the received calls or received voice outputs, the audio from the Audio system or voice guidance from the Navigation system will be muted. INFORMATION D Talk alternately with the other party on the phone. If you talk at the same time, the voice may not reach each other. (It is not a malfunction.) D Keep the volume of receiving voice down. Otherwise, echo is coming up. When you talk on the phone, speak clearly towards the microphone. D In the following situations, your voice may not reach the other party. D Driving on unpaved road. much road noise.) D Driving at high speed. D Windows are open. D If air−conditioning vents are turned towards the microphone. D The sound of the air−conditioning fan is loud. "Microphone By pushing the telephone switch above, you can receive a call or hang up without taking your hands off the steering wheel. (Too 100