Switching between audio sources such as radio and cd are explained in this section.
Changing audio source
If the audio source selection screen is not displayed, press the “audio” button again.

or
to
Using the steering wheel switches to change audio source
The audio source changes as follows each time the “mode/hold” switch is pressed.
List screen operationSymptom simulation
HINT:
The most difficult case in troubleshooting is when no problem symptoms occur. In
such cases, a thorough
customer problem analysis must be carried out. A simulation of the same or
similar conditions and environment
in which the problem occurred in the customer's vehicle should be carried ...