1999 Toyota Sienna Owners Manual - Page 154
1999 Toyota Sienna Manual
Page 154 highlights
name. SIENNA (45403U) -Audio remote controls Some parts of the audio system can be adjusted with the buttons on the steering wheel. Details of the specific buttons, controls, and features are described below. 1. " Ɯ" and "VOL Ɲ" Buttons 2. "MODE" Button 3. " " Button 4. "MUTE" Button 154