2009 Toyota 4Runner Owners Manual - Page 291

3-2. Using the audio system n Setting the rear seat entertainment system lock (if equipped) When RSE is selected, turn until ON/OFF is displayed. The rear seat entertainment system lock remains on, even when the engine switch is turned off. 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. 268