Changing Your Zone Number; Compass Accuracy; Calibrating The Compass - Pontiac 2005 Bonneville Owner's Manual

If you live on the line, you can pick the zone area you
are most likely to drive in. In Alaska, use Zone 9 or 10.
In Hawaii, use Zone 7.

Changing Your Zone Number

1. Press MODE to display COMPASS CALIBRATION.
2. Press SELECT to display RESET CHANGES ZONE.
3. Press RESET until your number appears.
4. Press MODE to exit the COMPASS CALIBRATION
MODE and store the new zone number. When the
MODE button is pressed, the DIC will return to
the VEHICLE DATA mode.

Calibrating the Compass

All electronic compasses need to know the magnetic
profile of your vehicle. This is called calibration and
is done automatically by your compass. However, if you
would like to manually calibrate the compass, the
following instructions will show you how.
Sometimes, strong magnetic fields can affect the
compass. If the compass display does not show a
direction, and CALIBRATE COMPASS is displayed on
the DIC, try calibrating the compass as follows:
1. Drive the vehicle to an open, flat area.
2. Press MODE to display COMPASS CALIBRATION.
3. Press SELECT to display PRESS RESET TO
RECALIBRATE and then press the RESET
button.
4. The display will change to SLOWLY DRIVE IN
SMALL CIRCLES. Drive the vehicle in small
circles. Do not drive faster than 10 mph (16 km/h).
5. Continue to drive in circles until the CALIBRATION
COMPLETE message is displayed on the DIC and
a direction is shown for the compass.
Your compass should be calibrated. You will know this
when a direction is shown and the CALIBRATE
COMPASS message is no longer displayed.

Compass Accuracy

Your compass may show different headings around
bridges, power lines, large metal objects and steep hills.
This is normal and is true of compasses in general.
If you put large metal objects like golf clubs in the trunk,
they could affect accuracy. If the affect is minimal, the
compass will adapt to these objects over time.
If you use an antenna with a magnetic base, it is best to
mount it away from the center of the trunk near the
rear window.
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