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Problem
While I drive, my screen shows white dots
("breadcrumbs") on it. What do they mean?
How can I get rid of the white dots ("breadcrumbs")
from my screen?
A road that I selected to avoid is being used when
routing. What is wrong?
My elevation (shown when I display the current position)
seems to fl uctuate even though my elevation has not
changed.
My elevation is missing on the "current position" screen.
Why?
These are called "breadcrumbs." If you drive more than 1/2 mile from
mapped roads, the off-road tracking feature begins to function. See Off-road
Tracking on pages 72 and 117 .
Go to "Vehicle" in the SET UP screen (Other), and set Off-road Tracking
to OFF, then return to the map. See page 117 .
When you "draw" your area to avoid, make sure to select sections of roads
that include at least one intersection. See page 112 .
This is normal and due to errors in satellite position. The elevation can vary
+/- 100 feet. See System Initialization on page 128 .
If the GPS antenna cannot receive signals from at least four satellites, the
elevation is not displayed. Try moving the vehicle into an open area. If the
elevation is zero, or below sea level, the elevation is also not displayed.
Frequently Asked Questions
Solution
Navigation System 159
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