Folding Mirrors; Heated Mirrors - GMC 2013 Yukon/Yukon XL Owner's Manual

2-18 Keys, Doors, and Windows
Keep the selector switch in the
center position when not adjusting
either outside mirror.
Exterior Automatic Dimming
Mirror
If the vehicle has the exterior
automatic dimming mirror, the driver
outside mirror automatically adjusts
for the glare of headlamps behind.
This feature is controlled by the on
and off setting on the inside
automatic dimming rearview mirror.
See Automatic Dimming Rearview
Mirror on page 2 20.
Side Blind Zone Alert (SBZA)
If the vehicle has the Side Blind
Zone Alert (SBZA) system. See Side
Blind Zone Alert (SBZA) on
page 9 51.
Turn Signal Indicator
The vehicle may also have a turn
signal indicator on the mirror. An
arrow on the mirror flashes in the
direction of the turn or lane change.

Folding Mirrors

Power Folding
1. Press (A) to fold the mirrors out
to the driving position.
2. Press (B) to fold the mirrors in to
the folded position.
Resetting the Power Folding
Mirrors
Reset the power folding mirrors if:
The mirrors are accidentally
obstructed while folding.
They are accidentally manually
folded/unfolded.
The mirrors will not stay in the
unfolded position.
The mirrors vibrate at normal
driving speeds.
Fold and unfold the mirrors one time
using the mirror controls to reset
them to their normal position.
A popping noise may be heard
during the resetting of the power
folding mirrors. This sound is normal
after a manual folding operation.
Manual Folding
Fold the mirrors inward to prevent
damage when going through an
automatic car wash. To fold, pull the
mirror toward the vehicle. Push the
mirror outward, to return to its
original position.

Heated Mirrors

For vehicles with heated mirrors:
(Rear Window Defogger):
Press to heat the mirrors.