See also:

Cleaning the Video Screens
Use only a clean cloth dampened with clean water. Use care when touching or cleaning the screens as damage could result. ...

Power Lumbar
To adjust the lumbar support, if equipped: - Press and hold the top of the control (B) to increase support to the top of the seatback and decrease support to the bottom of the seatback. - ...

General Information
For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people. Genuine GM parts have one of these marks: ...