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Automatic Dimming Mirror Operation
O
: Press this button to turn the automatic dimming
feature on or off. The indicator light to the left of
the button will turn on to indicate when the feature is on.
Once the mirror is turned off, it will remain off until it
is turned back on, or until the vehicle is restarted.
Compass Operation
Press the compass/temperature button once briefly to
turn the display on or off.
Compass Calibration
The compass may need calibration if one of the
following occurs:
•
If CAL is displayed while driving in the vehicle.
•
After approximately five seconds, the display does
not show a compass heading, N for North, for
example, there may be a strong magnetic field
interfering with the compass. Such interference may
be caused by a magnetic antenna mount, magnetic
note pad holder, or a similar magnetic item.
•
The compass does not display the correct heading
and the compass zone variance is set correctly.
2-36
In order to calibrate, CAL must be displayed in the
mirror compass windows. If CAL is not displayed, push
in the compass/temperature button for approximately
nine seconds or until CAL is displayed.
The compass can be calibrated by driving the vehicle in
circles at 5 mph (8 km/h) or less until the display reads a
direction.
Compass Variance
The mirror is set in zone eight upon leaving the factory.
It will be necessary to adjust the compass to compensate
for compass variance if the vehicle is outside zone eight.
Under certain circumstances, as during a long distance
cross-country trip, it will be necessary to adjust for
compass variance. Compass variance is the difference
between earth's magnetic north and true geographic
north. If not adjusted to account for compass variance,
your compass could give false readings.
To adjust for compass variance:
1. Find your current location and variance zone
number on the following zone map.
2008 - Isuzu 290/370 Owner Manual
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