GMC Sierra Owners Manual
SunroofIn Brief / Vehicle Features / Sunroof
Extended Cab
On vehicles with a sunroof, the sunroof only operates when the ignition is in the ACC/ACCESSORY or ON/RUN or the Retained Accessory Power (RAP) is active.
See Retained Accessory Power (RAP) on page 9‑32 for more information.
Vent: From the closed position, press and hold the rear of the switch to vent the sunroof. To close the sunroof, press and hold the front of the switch.
Open: From the vent position, the sunroof can be fully opened either manually or by using the express-open feature. To open manually, press the rear of the switch to the first detent and hold until the sunroof has reached the desired position. To open using express-open, press the rear of the switch to the second detent and release. The sunroof will move to the full open position. To stop the sunroof partway, press the switch a second time.
Close: From the vent, or open position, press and hold the front of the switch to close the sunroof.
The sunroof also has a roller sunshade that can be used to block the rays of the sun. To open the sunshade, press and unlatch it, and roll it back. To close, pull it forward and latch it into the closed position.
See Sunroof (Extended Cab) on page 2‑20 or Sunroof (Crew Cab) on page 2‑21.
Crew Cab
A. Open or Close
B. Vent
On vehicles with a sunroof, the sunroof only operates when the ignition is in the ACC/ACCESSORY or ON/RUN or the Retained Accessory Power (RAP) is active.
See Retained Accessory Power (RAP) on page 9‑32 for more information.
Vent: From the closed position, press the rear of the passenger side switch (B) to vent the sunroof.
Manual-Open/Manual-Close: To open the sunroof, press and hold the rear of the driver side switch (A) until the sunroof reaches the desired position. Press and hold the front of the driver side switch to close it.
Express-Open/Express-Close: To express-open the sunroof, fully press and release the rear of the driver side switch (B) until the sunroof reaches the desired position. To express-close the sunroof, fully press and release the front of the driver side switch. Press the switch again to stop it.
When the sunroof is opened, an air deflector will automatically raise.
The air deflector will retract when the sunroof is closed.
The sunroof also has a sunshade that you can pull forward to block the rays of the sun. The sunshade must be opened and closed manually.
If an object is in the path of the sunroof while it is closing, the anti-pinch feature will detect the object and stop the sunroof.
See Sunroof (Extended Cab) on page 2‑20 or Sunroof (Crew Cab) on page 2‑21.
