Toyota 2014 Sienna Manual page 510

3-4. Using the rear audio system
Headphone jacks
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The rear seat entertainment system can be used when
Vehicles without a smart key system
The engine switch is in the "ACC" or "ON" position.
Vehicles with a smart key system
The "ENGINE START STOP" switch is in the ACCESSORY or IGNITION
ON mode.
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Discs that can be used
Discs with the marks shown below can be used.
Playback may not be possible depending on recording format or disc fea-
tures, or due to scratches, dirt or deterioration.
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When appears on the screen
It indicates that the selected switch is inoperable.
510
SIENNA_OM_OM45483U_(U)
To use the headphones, con-
nect them to the jack.
To adjust the volume
Turn the knob clockwise to
increase the volume.
Turn the knob counterclock-
wise to decrease the volume.