See also:

Detailed Areas
Road network attributes are contained in the map database for detailed areas. Attributes include information such as street names, street address, turn restrictions, etc. A detailed area includes ...

Automatic Operation, If Equipped
AUTO: Press the air delivery mode button until this setting is selected to control the inside temperature, air delivery, and fan speed. AUTO appears in the display when automatic operation is acti ...

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...