Folding Mirrors - GMC SIERRA 2020 Owner's Manual

42 Keys, Doors, and Windows
Turn Signal Indicator
If equipped, the mirror has turn
signal indicator lights, which flash in
the direction of the turn or lane
change.
Task Lighting
If equipped, task lighting projects
light from the outside mirrors to the
sides of the vehicle. See Task
Lighting 0 171.
Puddle Lamps
If equipped, puddle lamps project
light from the bottom of the mirror to
the area of ground below the driver
and passenger doors. See Entry
Lighting 0 173 and
Exit Lighting 0 173.
Memory Mirrors
The vehicle may have memory
mirrors. See Memory Seats 0 58.
Lane Change Alert (LCA)
The vehicle may have LCA. See
Lane Change Alert (LCA) 0 274.

Folding Mirrors

Manual Folding Mirrors
If equipped, push the mirror toward
the vehicle to fold. Push the mirror
outward to return to its original
position.
Manually fold the mirrors inward to
prevent damage when going
through an automatic car wash.
Power Folding Mirrors
If equipped with power folding
mirrors:
1. Press to fold the mirrors in
to the folded position.
2. Press again to fold the
mirrors out to the driving
position.
Resetting the Power Folding
Mirrors
Reset the power folding mirrors if:
The mirrors are accidentally
obstructed while folding.
The mirrors are accidentally
manually folded/unfolded.
The mirrors will not stay in the
unfolded position.
The mirrors vibrate at normal
driving speeds.
Manually fold both mirrors if they
are out of sync. Fold and unfold the
mirrors three times using the mirror
controls to reset them to their
normal position. A popping noise
may be heard. This sound is normal
after a manual folding operation.