Steering Wheel Controls (Blazer Shown; Silverado Similar)
If equipped, some audio controls can be adjusted at the steering wheel.
: Press to answer an incoming call or start voice recognition. See Bluetooth (Overview) 0 50 or Bluetooth (Pairing and Using a Phone) 0 51 or “OnStar Overview” in the owner’s manual.
: Press to decline an incoming call or end a current call. Press to mute or unmute the infotainment system when not on a call.
or 
: Press to move left or right between the interactive display zones in the cluster. Press the thumbwheel to select.
or 
: Use the thumbwheel to scroll up or down in a list. Press the thumbwheel to select.
The favorites and volume switches are on the back of the steering wheel.
1. Favorite: When on a radio source, press to select the next or previous audio broadcast favorite. When listening to a media device, press to select the next or previous track.
2. Volume: Press to increase or decrease the volume.
