Mercury 1996 Sable Manual page 132

Clear away any snow that is on the rear
window and side view mirrors before using the
defroster. With the engine running, push the
defrost button. After 10 minutes, the defroster
will turn off. If the window and mirrors are still
not clear, push the defroster button again. The
defroster will turn off when the ignition key is
turned to the OFF position.
NOTE: Never use sharp instruments or
window cleaners with abrasives to
clean the inside of your rear window.
If you do, you may damage the heating
elements that are bonded to the inside
of the rear window and cause damage
to the rear window defroster.
Liftgate Window Wiper and Washer (If
equipped)
The liftgate window wiper and washer switches
To turn on the liftgate window wiper, press the
b switch. To turn the liftgate window wiper
off, press the switch again.
To turn on the liftgate window washer, press the
d switch. When the d switch is pressed, it also
turns on the liftgate wiper.
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