Buick LaCrosse: 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 another cellular area.
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. ...
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 o ...
See also:
Turn signal lamp (halogen headlamps)
Due to their location, have the bulbs in the
left-hand headlamp changed at a qualified
specialist workshop, e.g. an authorized
Mercedes-Benz Center.
•► Switch off the lights.
•` ...
Towing This Vehicle Behind Another Vehicle
...
Cancel Command
At any prompt, after the beep, you can say “Cancel” and
you will be returned to the main menu. However, in a
few instances the system will take you back to the
previous menu. ...
