2006 Toyota Tundra Owners Manual - Page 256
2006 Toyota Tundra Manual
Page 256 highlights
'06 TUNDRA_U (L/O 0508) NOTICE Do not leave the controller exposed to high temperatures (such as on the instrument panel) for a long time, otherwise the controller may be damaged. 256 2006 TUNDRA from Oct. '06 Prod. (OM34458U)