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. Child Restraint Systems
A rear-facing infant
seat (A) provides restraint
with the seating surface
against the back of the
infant.
The harness system holds the infant in place and, in a
crash, acts to keep the infant positioned in the restraint.
A forward-facing child
seat (B) provides restraint
for the child's ...