"Heated mirrors" refers to mirrors, usually found in vehicles, that have a heating element built into them. This feature helps prevent fogging or icing of the mirrors, providing better visibility for the driver. Full definition
The exterior features black alloy wheels, body color power heated mirrors, and a black grille. (iconicmotorcarsaz.com)
Standard features include heated mirrors, an adaptive rear spoiler, keyless entry and ignition, and parking sensors. (consumerguide.com)
The extensive list of standard comfort features includes air conditioning, power windows, heated seats, and electrically adjustable heated mirrors. (hybridcars.com)