GMC Sierra Quiz
Keys, Doors, and Windows

Heated Mirrors

In this manual: Keys, Doors, and Windows
Introduction — 6In Brief — 46Seats and Restraints — 48Storage — 7Instruments and Controls — 75Lighting — 22Infotainment System — 22Climate Controls — 7Driving and Operating — 77Vehicle Care — 79Service and Maintenance — 26Technical Data — 8Customer Information — 25OnStar — 25Keys, Doors, and Windows — 38
~1min read

For vehicles with heated mirrors:

GMS Sierra: Heated Mirrors. The lower convex part of the towing mirror is not heated.(Rear Window Defogger): Press to heat the mirrors. If the vehicle has a towing mirror, only the upper glass of the mirror is heated.

Test yourself

A quick GMC Sierra quiz: every answer comes with an explanation and a link to the manual page.