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. Sunroof
On vehicles with a
sunroof, the switch that
operates it is located on
the headliner between
the map lamps.
The sunroof will only operate while the ignition is on,
or turned to ACC/ACCESSORY, or if Retained
Accessory Power (RAP) is active. See Retained
Accessory Power (RAP).
Press the sunr ...