Chrysler Dodge Caravan 2007 Owner's Manual page 305

If your vehicle is equipped with Infrared Three-Zone
Automatic Temperature Control the rear defroster sym-
bol will show in the display screen when the rear
window defroster is on.
UNDERSTANDING YOUR INSTRUMENT PANEL 305
CAUTION!
To avoid damaging the electrical conductors of the
rear window defroster, do not use scrapers, sharp
instruments, or abrasive window cleaners on the
interior surface of the window.
Labels can be peeled off after soaking with warm
water.
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