Toyota Corolla (E170): Using the steering wheel switches to change audio source

The audio source changes as follows each time the “MODE/HOLD” switch is pressed.

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    Circuit description
    The p squib circuit consists of the airbag sensor assy center and instrument panel passenger airbag assy. It causes the srs to deploy when the srs deployment conditions are satisfied. Dtc b0105/53 is recorded when a short is detected in the p squib circuit. Wiring diagram ...

    Seat belt warning lamp for front passenger’s seat does not flash
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    Noise occurs
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