If you plan on driving in another country outside the United States or Canada, the proper fuel might be hard to find. Never use leaded gasoline or any other fuel not recommended in the previous text on fuel. Costly repairs caused by use of improper fuel would not be covered by the vehicle warranty.
To check the fuel availability, ask an auto club, or contact a major oil company that does business in the country where you will be driving.
Additives
Filling the TankChevrolet Cobalt Owners Manual. Boost Gauge
United States
Canada
If equipped, this gauge is located near the driver side of
the instrument panel cluster.
This gauge indicates vacuum during light to moderate
throttle and boost under heavier throttle.
This gauge displays the air pressure level in the intake
manifold before it enters ...