Heated Mirrors; Blind Spot Mirrors - GMC 2015 Sierra Denali Owner's Manual

Turn Signal Indicator
If equipped, indicator lights on the
mirror flash in the direction of the
turn or lane change.

Heated Mirrors

If equipped with heated mirrors:
1
(Rear Window Defogger):
Press to heat the mirrors. If the
vehicle has towing mirrors, only the
upper glass of the mirror is heated.
The lower convex part of the towing
mirrors is not heated.
See Rear Window Defogger under
Dual Automatic Climate Control
System on page 8-1.
Automatic Dimming
Mirror
If equipped, the driver outside mirror
automatically adjusts for the glare of
the headlamps from behind. This
feature comes on when the vehicle
is started.

Blind Spot Mirrors

If equipped, there is a small convex
mirror built into the upper and outer
corner of the driver outside rearview
mirror. It can show objects that may
be in the vehicle's blind zone.
Keys, Doors, and Windows
Driving with the Blind Spot
Mirror
Actual Mirror View
2-17