See also:

Lumbar Adjustment
Manual Lumbar If available, move the handle forward or rearward to increase or decrease lumbar support. Power Lumbar If available, press and hold the front or rear of control to increase or dec ...

Vehicle Overview
GM says the Sierra 1500 Hybrid's gasoline V-8 and electric motors team up for an overall mileage improvement compared with the regular Sierra. The Sierra Hybrid is only available as a rear- or fou ...

DVD Display Error Messages
The video screen may display one of the following error messages: Disc Load/Eject Error or Mechanical Error: There are disc load or eject problems. Disc Format Error or Unknown Format: The disc is i ...