2009 Toyota Sienna Owners Manual - Page 316

3-2. Using the audio system n Trademark owned by SRS Labs, Inc. (type A and B) The audio systems utilize SRS FOCUS® and SRS TruBass® audio enhancement technologies, under license from SRS Labs, Inc., in all modes except AM radio mode. FOCUS, TruBass, SRS and symbols are trademarks of SRS Labs, Inc. FOCUS and TruBass technologies are incorporated under license from SRS Labs, Inc. 290