Buick 2016 Envision Owner's Manual page 166

Infotainment System
The infotainment system is controlled by using the touchscreen, the buttons
below the touchscreen, steering wheel controls, and voice recognition.
1. (Power)
2. RADIO
3. MEDIA
d
4. and (Seek)
5. (Eject)
Radio with CD
q
6. BACK
7. CD Slot (If Equipped)
{
8. (Home Page)
9. MENU
Infotainment System 165