Global Positioning System (GPS)
- Obstruction of the GPS can occur in a large city with tall buildings; in parking garages; around airports; in tunnels, underpasses, or parking garages; or in an area with very dense trees. If GPS signals are not available, the OnStar system should still operate to call OnStar. However, OnStar could have difficulty identifying the exact location.
- In emergency situations, OnStar can use the last stored GPS location to send to emergency responders.
- A temporary loss of GPS can cause loss of the ability to send a Turn-by-Turn Navigation route.
The Advisor may give a verbal route or may ask for a call back after the vehicle is driven into an open area.
See also:
Roof
Sunroof
If the vehicle has a power
sunroof it will only operate when
the ignition is in ON/RUN or
ACC/ACCESSORY, or when
Retained Accessory Power (RAP)
is active. See Ignition Positions
( ...
Power Mirrors
Controls for the outside power
mirrors are on the driver door.
To adjust each mirror:
1. Press (A) or (B) to select the
driver or passenger side mirror.
2. Press the arrows on the control
p ...
XM Satellite Radio Service
XM is a satellite radio service based in the 48 contiguous United States and
10 Canadian provinces. XM Satellite Radio has a wide variety of programming and
commercial-free music, coast to coast, an ...






