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. Cruise Control
With cruise control, a speed of about 40 km/h (25 mph)
or more can be maintained without keeping your foot on
the accelerator. Cruise control does not work at speeds
below 40 km/h (25 mph).
The brake must be applied at least one time, after the
vehicle has been started, before cruise control wi ...