Buick Regal Navigation Manual page 57

enable or disable traffic voice
prompts.
Press to display the various route
option preferences.
one of these options while planning
a route.
Press to
There are two options.
enabled and a route with fewer
traffic delays is found, the system
will automatically recalculate without
user confirmation.
enabled, the system will provide a
pop-up if a possible guidance route
is available to detour around traffic
events on the route. Select Yes from
the pop-up and the new route will be
calculated. XM
information might not be provided
for the alternate route, depending on
Press
what type of road the vehicle is
traveling.
If
If
NavTraffic