Buick LaCrosse Navigation Manual page 57

Handling the DVD Map Disc
Handle the disc very carefully to
avoid contamination or flaws.
Signals might not read out
properly.
Use a soft cloth if the disc gets
soiled and gently wipe it out from
the center of the disc to the
outside. Do not use cleaners or
solvents.
Do not use the disc to rest on
while writing or drawing using
any writing utensil or attach a
seal to any of the sides or
the disc.
Do not keep the disc in direct
sunlight, high temperatures,
or humidity.
Place the disc back into the
original case after use.
Map Adjustments
The scale of view on the map can
be adjusted.
Map Scales
There are two methods to change
the map scale:
1. Turn the SELECT knob
clockwise or counterclockwise to
zoom out or in.
Infotainment System
2. Press the Map scale button
which is located on the
bottom left-hand corner of
the map screen to change the
zoom level.
The map scale bar times out if
the zoom level is not changed
within a few seconds.
The scale ranges from
100 m (150 ft) to 400 km (250 mi).
To change from English to metric,
see DIC Operation and Displays
in the index of the vehicle's
owner manual.
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