Exterior Mirrors; Convex Mirrors; Manual Mirrors; Trailer-Tow Mirrors - GMC Sierra Denali 2017 Owner's Manual

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See your dealer to get a new key
blank cut exactly as the ignition key
that operates the system.

Exterior Mirrors

Convex Mirrors

Warning
A convex mirror can make things,
like other vehicles, look farther
away than they really are. If you
cut too sharply into the right lane,
you could hit a vehicle on the
right. Check the inside mirror or
glance over your shoulder before
changing lanes.
The passenger side mirror is convex
shaped. A convex mirror's surface is
curved so more can be seen from
the driver seat.

Manual Mirrors

If equipped, adjust manual mirrors
by moving the mirror up and down
or left to right to see a little of the
side of the vehicle and to have a
clear view behind the vehicle.
Keys, Doors, and Windows
Using hood-mounted air deflectors
and add-on convex mirror
attachments could decrease mirror
performance.

Trailer-Tow Mirrors

If equipped, adjust trailer-tow
mirrors for a clear view of the area
behind you. Manually pull out the
mirror head to extend it for better
visibility when towing a trailer.
The lower portion of the mirror is
convex. A convex mirror's surface is
curved to see more from the driver
41

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Sierra 2017

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