2013 Toyota Sequoia Owners Manual - Page 404

3 -4 . U sing t he re a r se a t e nt e rt a inm e nt syst e m Pla ying a n a udio CD a nd M P3 /WM A disc s ∗ Press the "DISC" button if a disc has already been loaded in the disc slot. The player will start to play the disc automatically.