Touchscreen Controls
Touchscreen controls show on the screen when available. When a function is unavailable, the icon may gray out. When a function is selected, the icon may highlight.
Home Page Features

Press
to go to the Home Page.
Audio : Touch to select AM, FM, SiriusXM (if equipped), USB/iPod/ Bluetooth Audio, or AUX.
Gallery : Touch to view a picture.
Phone : Touch to activate the phone features (if equipped).
See Bluetooth (Infotainment Controls) or Bluetooth (Overview).
Projection : Touch to access supported devices when connected.
See USB Port.
Settings : Touch to access the Personalization menu. See Vehicle Personalization.
Climate : If equipped, touch to access the Climate menu.
See Climate Control Systems or Dual Automatic Climate Control System.
OnStar : If equipped, touch to access the OnStar menu. See OnStar Overview.
Lighting : If equipped, touch to access the Lighting menu. See Vehicle Personalization.
Overview
OperationData Link Communications Description and Operation
Note:This is an overview of different serial data buses used by GM devices to communicatewith each others. UseData Communication Schematicsto find out which serial data buses are configured for a specific vehicle.Circuit DescriptionThere are many components in a vehicle that rely on information from ...