Gasoline Specifications (U.S. and Canada Only)
At a minimum, gasoline should meet ASTM specification D 4814 in the United States or CAN/CGSB-3.5 or 3.511 in Canada.
Some gasolines contain an octane-enhancing additive called methylcyclopentadienyl manganese tricarbonyl (MMT). We recommend against the use of gasolines containing MMT. See Fuel Additives for additional information.
See also:
Vehicle Personalization
The audio system controls are used
to access the personalization
menus for customizing vehicle
features.
CONFIG (Configuration): Press to
access the Configuration
Settings menu.
Menu Knob: ...
Steering Wheel Controls
Steering Wheel Controls
For vehicles with audio steering wheel controls, some audio controls can be adjusted at the steering wheel.
Press to interact with the available Bluetooth, OnStar, or navig ...
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 ...
