Chevrolet Silverado Classic 2007 Owner's Manual page 188

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OnStar service cannot work unless your vehicle is
in a place where OnStar
wireless service provider for service in that area.
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OnStar service also cannot work unless you are in
a place where the wireless service provider
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OnStar has hired for that area has coverage,
network capacity and reception when the service is
needed, and technology that is compatible with the
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OnStar service. Not all services are available
everywhere, particularly in remote or enclosed
areas, or at all times.
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OnStar service that involves location information
about your vehicle cannot work unless GPS
satellite signals are unobstructed and available in
that place as well.
188
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has an agreement with a
Your vehicle must have a working electrical
system (including adequate battery power) for the
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OnStar equipment to operate. There are other
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problems OnStar cannot control that may prevent
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OnStar from providing OnStar
at any particular time or place. Some examples are
damage to important parts of your vehicle in an
accident, hills, tall buildings, tunnels, weather
or wireless phone network congestion.
Your Responsibility
You may need to increase the volume of your
radio to hear the OnStar
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to the OnStar buttons is red, this means that
your system is not functioning properly and should
be checked by your dealer/retailer. If the light
appears clear (no light is appearing), your OnStar
subscription has expired. You can always press
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the OnStar button to confirm that your OnStar
equipment is active.
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service to you
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advisor. If the light next
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