Lincoln 1997 Continental Owner's Manual page 59

Rear Window Defroster and
Heated Sideview Mirrors
The rear window and heated outside mirrors
defroster switch activates the defroster for the rear
window to clear frost, fog, or thin ice from both
the inside and outside of the rear window and
activates the heated outside rearview mirrors.
The button for the rear window and heated outside
mirrors defroster is on the instrument panel to the
right of the steering column.
The button that controls the rear window
defroster and heated outside rearview mirrors
Before using the defroster, clear away any snow
that is on the rear window and outside rearview
mirrors. With the engine running, push the
defroster button.
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