Toyota 2015 Corolla Owner's Manual page 271

296
5-13.Using the Multimedia system
Selecting the audio source
Switching between audio sources such as radio and CD are
explained in this section.
Changing audio source
Press the "AUDIO" button to display the audio source selection
1
screen.
If the audio source selection screen is not displayed, press the "AUDIO"
button again.
Select
2
source.
Select the desired audio
1
source then
reorder.
Using the steering wheel switches to change audio source
The audio source changes as follows each time the "MODE/HOLD"
switch is pressed.
COROLLA_TMMMS_TMMC_U (OM12F00U)
the desired audio
or to