2012 Toyota Tacoma Owners Manual - Page 620
2012 Toyota Tacoma Manual
Page 620 highlights
3-2. Using the audio system Type B: Press Press Press . (MORE). (ASL). Press , , or as corresponds to the desired mode (OFF, LOW, MID, or HIGH). ASL automatically adjusts the volume and tone quality according to vehicle speed.
We apologize, but we cannot currently deliver this PDF manual by request of the manufacturer.
We apologize for any inconveniece.