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 Additives for additional information.
Gasoline Octane
California FuelChevrolet Cobalt Service & Repair Manual. Description & Operation
The SIR system helps supplement
the protection offered by the driver and front passenger seat belts by deploying
air bag module from the center of steering wheel, passenger's instrument
panel, front and rear sides of seats and from the sides of the roof panel.
The air bags ...