Power Mirrors - GMC Sierra 2500 HD 2023 Owner's Manual

38 Keys, Doors, and Windows
If a popping noise from the mirror is heard,
this sound is normal as the manual detents
are aligning after a manual extend/retract
operation has occurred.
Auxiliary Cargo Mirror Lamps
If equipped, cargo mirror lamps face
rearward to provide more light on the sides
of the vehicle, if needed. See Exterior Cargo
Lamps 0 144.
Advanced Trailering Vision System Side
Cameras
If equipped, the Advanced Trailering Vision
System side cameras are on the bottom of
the outside mirrors. See Surround Vision
(360 Degrees) under Assistance Systems for
Parking or Backing 0 248.

Power Mirrors

To adjust each mirror:
1. Press or to select the driver or
passenger side mirror. The indicator light
will illuminate.
2. Press the arrows on the control pad to
move the mirror in the desired direction.
3. Adjust each outside mirror so that a little
of the vehicle and the area behind it can
be seen.
4. Press or again to deselect the
mirror.
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 0 144.
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 0 146 and
Exit Lighting 0 146.
Memory Mirrors
The vehicle may have memory mirrors. See
Memory Seats 0 53.
Lane Change Alert (LCA)
The vehicle may have LCA. See Lane Change
Alert (LCA) 0 261.