GMC 2010 GMC Sierra, Owner'S Manual, Page: 21 / 660

Power Foldaway Mirrors
To fold the mirrors:
1. Press (C) to fold the mirrors out to the driving
position.
2. Press (D) to fold the mirrors in to the folded
position.
Vehicles with manual outside mirrors can be adjusted
for a clearer view.
If the vehicle has towing mirrors, they can be adjusted
for a clearer view of the objects behind you. Manually
pull out the mirror head to extend it for better visibility
when towing a trailer. See
Outside Towing Mirrors on
page 3 ‑ 61 .
Manual Foldaway Mirrors
Manually fold the mirrors inward to prevent damage
when going through an automatic car wash. To fold,
push the mirror toward the vehicle. Push the mirror
outward, to return to its original position.
Interior Mirror
Vehicles with a manual rearview mirror can be adjusted
to see clearly behind the vehicle. Hold the mirror in the
center to move it up or down and side to side. To
reduce headlamp glare during nighttime use, push the
tab forward for daytime use and pull it for nighttime use.
Vehicles with the automatic dimming feature will
automatically reduce the glare of lights from behind the
vehicle. The dimming feature comes on and the
indicator light illuminates each time the vehicle is
started.
See Automatic Dimming Rearview Mirror on page 3 ‑ 60
for more information.
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