2009 Toyota Tundra Regular Cab Navigation Manual - Page 188

08 05.16 AUDIO/VIDEO SYSTEM XS00407 XS00410 (a) Speech command system By pushing the switch above, you can operate the speech command system. For the operation of the speech command system and the list of commands, see pages 153 through 156. (b) Turning the system on and off "PWR·VOL": Push this knob to turn the audio system on and off. Turn this knob to adjust the volume. The system turns on in the last mode used. "AUDIO": Push this button to display touch−screen buttons for audio system (audio control mode). You can select the function that enables automatic return to the previous screen from the audio screen. See page 159 for details. 168