Sun Visors; Roof; Sunroof - GMC SIERRA 2020 Owner's Manual

50 Keys, Doors, and Windows
The power sliding rear window
cannot be operated manually.

Sun Visors

Pull the sun visor down to block
glare. If equipped, detach the sun
visor from the center mount to pivot
to the side window or to extend
along the rod.
If equipped, there is a lighted mirror
on the sun visor. Lift the cover
to open.

Roof

Sunroof

1. SLIDE Switch
2. TILT Switch
If equipped, the sunroof operates
when the ignition is on or in ACC/
ACCESSORY, or when Retained
Accessory Power (RAP) is active.
See Retained Accessory Power
(RAP) 0 216.
Slide Switch
Express-Open/Express-Close : To
express-open the sunroof,
fully press and release
and release (1) again to stop the
movement. To express-close the
sunroof, fully press and release
(1). Press and release
again to stop the movement.
Open/Close (Manual Mode) : To
open the sunroof, press and hold
(1). Release (1) to stop the
movement. Press and hold
to close the sunroof. Release
(1) to stop the movement.
Tilt Switch
Vent : From the closed position,
press (2) to vent the sunroof.
Press (2) to close the vent.
When the sunroof is opened, an air
deflector will automatically raise.
The air deflector will retract when
the sunroof is closed.
(1). Press
(1)
(1)