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.
See also:
The Inside
Buick sells only three models now, and the Lucerne falls in the middle in
size, price and interior quality. Of the three large crossover models GM has
sold over the past couple years, the Buick En ...
Electric Power Management
The vehicle has Electric Power Management (EPM) that
estimates the battery’s temperature and state of charge.
It then adjusts the voltage for best performance and
extended life of the battery.
...
Center Console Storage
Center Console Storage
The armrest can be adjusted by
sliding it to the desired position.
The center console has an upper
tray and a lower main storage area.
To access the main storage area, ...