2009 Toyota Yaris Owners Manual - Page 608

3-2. Using the audio system n Adjusting sound quality Turning Sound quality mode Bass Treble Front/rear balance Left/right balance or Mode displayed BAS TRE FAD BAL adjusts the level. Turn to the left Low Shifts to rear Shifts to left Turn to the right High Shifts to front Shifts to right 3 Level -5 to 5 -5 to 5 R7 to F7 L7 to R7 n Adjusting the Automatic Sound Levelizer (ASL) Interior features When "ASL" is selected, turning to the right changes the "ASL level in the order of the "LOW", "MID" and "HIGH". Turning to the left turns "ASL" off. ASL automatically adjusts the volume and tone quality according to the vehicle speed. n Trademark owned by SRS Labs, Inc. 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. 189