Chevrolet Sonic Owner's Manual: Gasoline Specifications
At a minimum, gasoline should meet ASTM specification D 4814. Some gasolines contain an octane-enhancing additive called methylcyclopentadienyl manganese tricarbonyl (MMT). We recommend against the use of gasolines containing MMT. See “Prohibited Fuels" in Recommended Fuel.
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 ...
California Fuel Requirements
If the vehicle is certified to meet California Emissions Standards, it is designed
to operate on fuels that meet California specifications. See the underhood emission
control label. If this fuel i ...
Other materials:
Charging System Light
This light will come on briefly when the ignition is turned on, and the engine
is not running, as a check to show it is working.
It should go out when the engine is started. If it stays on, or comes on while
driving, there may be a problem with the electrical charging system. Have it checked ...
SIR Inflator Module Handling and Storage Warning
Warning: When carrying an undeployed inflator module:
Do not carry the inflator module by the wires or connector.
Make sure the air bag opening points away from you.
When storing an undeployed inflator module:
Make sure the air bag opening points away from the surface o ...
Radiator Replacement (LUV)
Removal Procedure
Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct
Replacement.
Remove the front compartment front insulator cover. Refer to Front Compartment
Front Insulator Cover Replacement.
Remove the engine coolant fan shroud. Refer to Engine Coo ...
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