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:
On the Road
The LaCrosse moves out when pushed, but its capabilities stop short of an
all-out sport sedan's — fine by me, seeing as no one ever wanted Buick to build
the next BMW. The LaCrosse CXS, which pa ...
Reduced Engine Power Light
This light comes on
when a noticeable
reduction in the
vehicle’s performance
occurs.
The vehicle can be driven at a reduced speed
when the reduced engine power light is on,
but accelerati ...
Design story
The Buick Regal's sleek design blends the sweeping silhouette and proportions
of a coupe in a progressive package that suggests motion from all angles. Great
attention to detail complements that a ...