Chevrolet Silverado 2007 Owner's Manual page 187

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OnStar Steering Wheel Controls
Your vehicle may have a Talk/Mute button that
can be used to interact with OnStar
Calling. See Audio Steering Wheel Controls on
page 372 for more information.
On some vehicles, you may have to hold the
button for a few seconds and give the command
"ONSTAR" in order to activate the OnStar
Hands-Free Calling feature.
On some vehicles, the mute button can be used
to dial numbers into voicemail systems, or to
dial phone extensions. See the OnStar
Guide for more information.
®
How OnStar Service Works
In order to provide you with OnStar
your vehicle's OnStar
of recording and transmitting vehicle information.
This information is automatically sent to an
®
OnStar Call Center at the time of an OnStar
button press, Emergency button press or if
®
Hands-Free
®
®
Owner's
®
services,
®
system has the capability
your airbags or AACN system deploys. The
vehicle information usually includes your GPS
location and, in the event of a crash, additional
information regarding the accident that your vehicle
has been involved in (e.g. the direction from
which your vehicle was hit). When you use the
Virtual Advisor feature of OnStar
Calling, your vehicle also sends OnStar
location so that we can provide you with
location-based services.
®
OnStar service cannot work unless your vehicle
is in a place where OnStar
with a wireless service provider for service in that
area. OnStar
you are in a place where the wireless service
provider OnStar
has coverage, network capacity and reception
when the service is needed, and technology that
is compatible with the OnStar
services are available everywhere, particularly in
remote or enclosed areas, or at all times.
®
®
Hands-Free
®
has an agreement
®
service also cannot work unless
®
has hired for that area
®
service. Not all
®
your GPS
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