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Compass Calibration
Press P once to turn the compass display on or off.
If after several seconds the display does not show a
compass heading, there may be a strong magnetic field
interfering with the compass. Interference can be caused
by a magnetic antenna mount, note pad holder or similar
object. If the letter C or CAL appears in the compass
window, the compass needs calibration.
Depending on the mirror, in order to calibrate, CAL must
be displayed in the mirror compass windows. If CAL is not
displayed, press
P for several seconds or until CAL is
displayed.
If the compass has map lamps, it can be placed in
calibration mode by pressing and holding the left map
light button until a C appears on the compass display.
The mirror 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 to zone eight. If you do not live in zone
eight or drive out of the area, the compass variance
needs to be changed to the appropriate zone.
To adjust for compass variance:
1. Find your current location and variance zone
number on the zone map that follows.
2. Press and hold
P until a Z and a zone number
displays. The compass is now in zone mode.
3. Once the zone number displays, press
P
repeatedly until you reach the correct zone number.
Stop pressing
P and the mirror returns to normal
operation.
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