2013 Toyota Tundra Double Cab Navigation Manual - Page 171

AUDIO/VIDEO SYSTEM CAUTION Conversational speech on some DVDs is recorded at a low volume to emphasize the impact of sound effects. If you adjust the volume assuming that the conversations represent the maximum volume level that the DVD will play, you may be startled by louder sound effects or when you change to a different audio source. The louder sounds may have a significant impact on the human body or pose a driving hazard. Keep this in mind when you adjust the volume. U6077GS This screen appears when the video screen is first displayed after the engine switch is in the "ACC" or "ON" position. 195