Heated Mirrors; Park Tilt Mirrors; Interior Mirrors; Manual Rearview Mirror - GMC 2011 Sierra Denali Owner's Manual

2-16 Keys, Doors and Windows

Heated Mirrors

For vehicles with heated mirrors:
(Rear Window Defogger):
Press to heat the mirrors. If the
vehicle has a towing mirror, only the
upper glass of the mirror is heated.
The lower convex part of the towing
mirror is not heated.
See Rear Window Defogger under
Dual Automatic Climate Control
System on page 8 1.

Park Tilt Mirrors

If the vehicle has the memory
package, the passenger and/or
driver mirror 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 or to
OFF/LOCK.
Turn this feature on or off through
the Driver Information Center (DIC).
See Vehicle Personalization on
page 5 47 for more information.

Interior Mirrors

Manual Rearview Mirror

Adjust manual rearview mirrors to
see clearly behind the vehicle. Hold
the mirror in the center to adjust it.
To reduce headlamp glare during
night use, pull the tab forward.
Push the tab back for daytime use.
Automatic Dimming
Rearview Mirror
The vehicle may have an automatic
dimming inside rearview mirror.
Automatic dimming reduces the
glare from the headlamps of the
vehicle behind you. The dimming
feature comes on and the indicator
light illuminates each time the
ignition is turned to start.
(On/Off): Press to turn the
dimming feature on or off.