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 Owners Manual. What Will You See After an Airbag Inflates?
After the frontal airbags inflate, they quickly deflate,
so quickly that some people may not even realize an
airbag inflated. Roof-rail airbags may still be at least
partially inflated for some time after they deploy.
Some components of the airbag module may be hot
for several minutes. For loca ...