2010 Toyota Highlander Navigation Manual - Page 188

AUDIO/VIDEO SYSTEM The touch−screen buttons for radio, CD changer and DVD player operation are displayed on the function touch− screen button display screen when the audio control mode is selected. Touch them lightly and directly on the screen. The selected switch is highlighted. INFORMATION D If the system does not respond to a touch of a touch−screen button, move your finger away from the screen and then touch it again. D You cannot operate dimmed touch−screen buttons. D Wipe off fingerprints using a glass cleaning cloth. Do not use chemical cleaners to clean the touch screen. 189