Vehicle and Power Issues
OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.
See also:
Compass Calibration Procedure
1. Before calibrating the compass,
check that the compass is set
to the correct variance zone.
See “Compass Variance (Zone)
Procedure” earlier in this
section.
Do not operate any switches
...
Entering an Address and Point of Interest, and Storing Preset Destinations
Entering an Address
Enter a destination by inputting the city name first:
1. Press O to turn the system on.
2. A caution may appear. Press OK to proceed.
3. Press DEST.
4. Press2(Address Entry).
...
Backglass Antenna
The AM-FM antenna is integrated
with the rear window defogger,
located in the rear window.
Make sure that the inside surface of
the rear window is not scratched
and that the lines on the glas ...