Automatic Dimming; Turn Signal Indicator; Heated Mirrors; Park Tilt Mirrors - GMC 2011 Yukon Denali Owner's Manual

2-18 Keys, Doors and Windows
Resetting the Power Foldaway
Mirrors
Reset the power foldaway 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
foldaway mirrors. This sound is
normal after a manual folding
operation.

Automatic Dimming

The driver outside mirror adjusts for
the glare of the headlamps behind
you. See Automatic Dimming
Rearview Mirror on page 2 19 for
more information.

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.

Heated Mirrors

For vehicles with heated mirrors:
(Rear Window Defogger):
Press to heat the mirrors.
See Rear Window Defogger under
Dual Automatic Climate Control
System on page 8 1 for more
information.
Side Blind Zone Alert (SBZA)
If your vehicle has the Side Blind
Zone Alert (SBZA) system, see Side
Blind Zone Alert (SBZA) on
page 9 55.

Park Tilt Mirrors

Vehicles with the memory package
have a passenger and/or driver
mirror that tilts to a preselected
position when the vehicle is in
R (Reverse). This feature lets the
driver view the curb when parallel
parking. The mirror(s) return to the
original position when the vehicle is
shifted out of R (Reverse), or the
ignition is turned off.
Turn this feature on or off through
the Driver Information Center (DIC).
See Vehicle Personalization on
page 5 49 for more information.