Oldsmobile 1999 Silhouette - Manual (Page 199)

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Turn the ignition on and cycle the DIC to the
Compass/Temperature mode. Press both the E/M and
MODE buttons simultaneously for approximately five
seconds. The last entered variance zone number will be
displayed. Press the E/M button until the proper
variance number, as shown on the map, is showing.
Press the MODE button to set the new variance zone
and resume normal operation.
The display will show all the display segments for half a
second to acknowledge the change in zone number.
Automatic Compass Calibration
The compass is self - calibrating, which eliminates the
need to manually set the compass. When the vehicle is
new, the calibration process may not be complete. In
these cases the calibration symbol, C, will be displayed
where the compass reading is normally displayed.
To calibrate the compass, in an area free from large
metal objects, make three 360
_ turns. The calibration
symbol will turn off and the compass reading will
be displayed.
Manual Compass Calibration
If the compass appears erratic and the calibration
symbol does not appear, you must manually put the
compass into the calibration mode.
Turn the ignition on and cycle the DIC to the
Compass/Temperature mode. Press both the E/M and
MODE buttons simultaneously for at least 10 seconds
until the calibration symbol appears. Release both
buttons and complete three 360
_ turns in an area free
from large metal objects. The calibration symbol will
turn off and the compass reading will be displayed.
Error Displays
D An error of the vehicle’s speed sensor or fuel sender
will cause - E - to be displayed.
D In the absence of vehicle communications, a double
dash “ -- ” is displayed.
If one of these error messages appear, see your dealer.