2010 Toyota Tundra CrewMax Owners Manual - Page 1054

3-2. Using the audio system Language settings (type B and C) The language used for all voice guidance, voice recognition and messages may be changed. Press Press Press Press . that corresponds to "MORE". that corresponds to "LANG". that corresponds to the desired language. For vehicles sold in the U.S.A. "ENG" (English) or "ESP" (Spanish) For vehicles sold in Canada "ENG" (English) or "FRAN" (French)