KIA Rondo 2014 - Manual (Page 203)

Features of your vehicle
116 4
Outside mirror defroster
(if equipped)
If your vehicle is equipped with the
outside rearview mirror defrosters,
they will operate at the same time you
turn on the rear window defroster.
Front wiper deicer (if equipped)
The front wiper deicer will operate at
the same time you turn on the rear
window defroster.