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To adjust between Fahrenheit and Celsius, do the
following:
1. Press and hold the on/off button until either a
flashing °F or °C appears.
2. Press the button again to change the display
to the desired unit of measurement. After
approximately four seconds of inactivity, the
new unit will be locked in and the display
will return.
Compass Calibration
The compass may need calibration from time
to time.
In order to calibrate, CAL must be displayed in the
mirror compass windows. If CAL is not displayed,
push in the on/off 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, or the word CAL
disappears.
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 you live
outside of 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 do the following:
1. Find your current location and variance
zone number on the following zone map.
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