2011 GMC Sierra 1500 Hybrid Review

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Windows
Press the switch to lower the window. Pull the switch up to raise it. For more information, see Power Windows on page 2‑21. ...

Finding a Channel
BAND: Press to switch between AM, FM, or XM™, if equipped. (Tune): Turn to manually select an XM channel. SEEK: Press to go to the previous XM channel. SEEK: Press to go to the next XM channel ...

Lumbar Adjustment
Eight-Way Power Seat Shown, Four-Way Similar A. Lumbar Switch If available, press and hold the front or rear of the switch (A) to increase or decrease lumbar support. Release the switch when the ...