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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    Disposal
    Hint: when scrapping vehicle equipped with an srs or disposing of a horn button assy, always first deploy the airbag in accordance with the procedure described below. If any abnormality occurs in the airbag deployment, contact the service dept. Of toyota motor sales, u.S.A., Inc. Caution: ...

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