Compass Variance - Chevrolet 2002 Impala Owner's Manual

MODE (Mode Button): Press this button to cycle
through three modes of operation
Compass/Temperature and Trip Computer mode.
Press this button to cycle through three modes of
--
operation Off, Compass/Temperature and Trip
Computer mode. In the Trip Computer mode, pressing
the MODE button cycles through the five displays. Press
the MODE button after the last Trip Computer display
to return the DIC to the OFF mode.
D
Off: No driver information is displayed in this mode
of operation.
D
Compass/Temperature Mode: One of eight
compass readings and the outside temperature are
displayed. If the temperature is below 38
the word "ICE" is displayed for two minutes.
D
Trip Computer: Pressing the MODE button cycles
through the five displays. Press the MODE button
after the last Trip Computer display to return the
DIC to the OFF mode
2-104
--
Off,
_ _
F (3 C),

Compass Variance

Compass variance is the difference between magnetic
north and geographic north. In some areas of the
country, the difference is great enough to cause the
compass to give false readings. If this occurs,
the compass variance must be set.
Setting the Variance