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.
Chevrolet 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 ...