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. Windshield Wiper/Washer
The windshield wiper lever is located on the right side of
the steering column.
: Turns the wipers off.
: Turn this band for
intermittent or speed sensitive
operation. As vehicle speed increases or decreases, the
wiper interval also increases or decreases.
: Delays wiping cycle. Turn
the ...