
Chevrolet Sonic. Hill Start Assist (HSA)
This vehicle has an HSA feature, which may be useful when the vehicle is stopped
on a grade. This feature is designed to prevent the vehicle from rolling, either
forward or rearward, during vehicl ...
Chevrolet Sonic. Recommended Fuel
Use regular unleaded gasoline with a posted octane rating of 87 or higher. If
the octane rating is less than 87, an audible knocking noise may be heard. If this
occurs, use a gasoline rated at 87 ...
Chevrolet Sonic. Filling a Portable Fuel Container
Warning
Filling a portable fuel container while it is in the vehicle can cause fuel
vapors that can ignite either by static electricity or other means. You or others
could be badly burned and the ...