FM

FM signals only reach about 16 to 65 km (10 to 40 mi). Although the radio has a built-in electronic circuit that automatically works to reduce interference, some static can occur, especially around tall buildings or hills, causing the sound to fade in and out.

    See also:

    OnStar Additional Information
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    Servicing the Airbag-Equipped Vehicle
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    Storing a Flat or Spare Tire and Tools
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