Oldsmobile 1995 Silhouette Owner's Manual page 124

Compass Variance: Variance is the difference between
magnetic north and geographic north. In some areas the
difference between the two can be great enough to cause
false compass readings. If this happens, follow these
instructions to set the variance for your particular
location:
1 . Determine your location on the zone map. Note your
2. Press and hold both the ON/OFF and the USMET
zone number.
switches. The display will go off.
3. After five seconds, VAR CAL will appear on the
4. Press USMET until your zone number appears on
5. Press ON/OFF to enter your zone number. Your
STORAGE COMPARTMENT: To open the rear
storage compartment in the overhead console, press the
release button.
SUNGLASSES STORAGE COMPARTMENT: To
open the sunglasses storage compartment in the
overhead console, press the release button. Pull the
compartment down to the full open position.
display. When it does, release both buttons.
the display.
variance is now set.