Buick LaCrosse: Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle.
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 tr ...
Unable to Connect to OnStar
Message
If there is limited cellular coverage
or the cellular network has reached
maximum capacity, this message
may come on. Push to try the
call again or try again after driving a
few miles into ...
See also:
Socket for OBD Onboard
Diagnosis
There is an OBD socket on the driver's side for
checking the primary components in the vehicle
emissions.
Emissions
▷ The warning lamp lights up:
Emissions are deteriorating. Have
th ...
Gasoline quality
In very few cases, driveability problems may be caused by the brand of
gasoline
you are using. If driveability problems persist, try changing the brand of
gasoline. If this does not correct the ...
Replacing a flat tire
Chock the tires.
For vehicles with steel wheels,
remove the wheel ornament
using the wrench.
To protect the wheel ornament,
place a rag between the wrench
and the wheel ornament, as
...
