See also:

FM radio reception
Range: FM range is normally limited to 25 30mi (40 48 km), with monaural (single channel) FM having slightly more range than stereo FM. External influences may sometimes interfere with FM stat ...

Towing load/specification
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Steering wheel switch for audio control (if so equipped)
Type A 1. Tuning switch 2. MODE select switch 3. POWER on/off switch 4. Volume control switch Type B 1. Tuning switch 2. Phone operation switch 3. POWER on and MODE select switch 4. ...