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. Windshield Wiper Blade R&R
1.
Move wiper arm to service up position,
Fig. 1.
2.
Press wiper blade retainer button in
to release wiper blade from inside radius of wiper arm, Fig.
1.
3.
Remove wiper blade out through opening
...