Ford 1996 Windstar Manual page 126

Setting the autolamp
This feature allows the Autolamp circuit to be adjusted, to the
driver's liking, for the headlamps to turn on for the amount of
ambient light. If the driver desires the headlamps to come on
earlier when the sky is brighter or later when the sky is darker,
then the following procedure should be performed to satisfy the
driver's requirement.
Move the Autolamp Delay slider knob to the far left position
with the vehicle in park and ignition in the RUN position. Then
press the mirror DIM and Autolamp ON switches
simultaneously. The Autolamp ON LED will flash, indicating it's
into the special mode. Slowly slide the Autolamp Delay control
to the right until the DIM LED is on steadily. This indicates the
current setting for the early/late headlamp. (The factory setting
would fall in the middle of the control slide range.)
If earlier activation of the headlamps is desired, slide the
Autolamp Delay slider knob to the left. The DIM LED will start
flashing, indicating that the setting is being changed. The further
left the control is moved the earlier the headlamps will come
on. Pressing the Autolamp button will enter the new setting and
return the mirror back to normal operation.
If later activation of the headlamps is desired, slide the
Autolamp Delay slider knob to the right. The DIM LED will
start flashing, indicating that the setting is being changed. The
further right the control is moved, the later the headlamps will
come on. Pressing the Autolamp switch will enter the new
setting and return the mirror back to the normal operation.
To turn the autolamp off, press the On/Off button. The
indicator light will turn off.
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