See also:

Fluids
Proper fluid levels and approved fluids protect the vehicle’s systems and components. See Recommended Fluids and Lubricants for GM approved fluids. - Engine oil and windshield washer fluid ...

Volume Control
VOL/ (Volume/Power): Turn clockwise or counterclockwise to increase or decrease the volume. ...

Control Buttons
The knobs and buttons used to control the CD/DVD player are: CD/AUX (CD/Auxiliary): Press to switch between CD/DVD, auxiliary input, and USB devices. or : Press to select tracks. TUNE/TON ...