Buick Regal Navigation Manual page 49

Select Turn List to view a list of
maneuvers for the entire route.
Press the Avoid screen button
located next to one of the turn
maneuvers to avoid a segment of
roads. A maximum of eight avoided
segments are allowed.
Select Avoid List to display a list of
avoided road segments with the
option to remove the avoided items
from the list.
Press Detour to display the route
detour options. Select to detour the
whole route or by a specific
distance.
This feature can be accessed from
the Destination Confirmation Menu,
Navigation Settings Menu, and
Destination Menu with Route
Guidance Active. See Navigation
Settings Button following for more
information.
Up to three waypoints can be added
to the current route. The waypoints
can be sorted (moved) or deleted.
To add a waypoint:
1. From the Waypoint List menu,
press Add Waypoint.
2. Enter the waypoint by any of the
add destination methods. The
system calculates and highlights
the route and the route can be
started.
3. To add more waypoints, press
Add Waypoint to add the
waypoint in the order desired
on the route.