See also:

Warning and indicator lights
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Satellite radio operation (if equipped)
To receive satellite radio, it is necessary to install the SUBARU genuine satellite receiver for some models, and to enter into a contract with a satellite radio network service such as “XMTM sate ...

Precautions against vehicle modification
WARNING To avoid accidental activation of the system or rendering the system inoperative, which may result in serious injury, no modifications should be made to any components or wiring of the SR ...