Toyota 2015 Corolla Owner's Manual page 292

Using the AUX port
To use the AUX port, connect a portable player, press the
"AUDIO" button, then select "AUX" to display the audio control
screen.
Connecting a portable audio player
P. 286
Operating portable audio players connected to the multimedia system
■
The volume can be adjusted using the vehicle's audio controls. All other
adjustments must be made on the portable audio player itself.
When using a portable audio player connected to the power outlet
■
Noise may occur during playback. Use the power source of the portable
audio player.
CAUTION
While driving
■
Do not connect a portable audio player or operate the device controls.
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5-16. Using an external device (Multimedia system)
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