Ford Mercury Villager 1997 Owner's Manual page 115

Controls and Features
Dual electric remote controlled mirrors switch
Heated mirror feature (If equipped)
Both power mirrors are heated whenever the rear window
defroster is turned on. Do not remove ice from the mirrors with a
scraper or you could damage them.
Cargo Net (If equipped)
The cargo net is designed to hold your cargo upright between the
third row bench seat and the liftgate to prevent it from moving
around the cargo area.
To install the cargo net:
Attach the loops on the four corners of the net to the four
retainers on the cargo area rear quarter panels. Pull on the net to
be sure that it is fastened securely.
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