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:
Rear Seats
Folding the Seatback
Either side of the seatback can be folded down for more cargo space. Fold a seatback
only when the vehicle is not moving.
Caution
Folding a rear seat with the safety belts still fastened may cause damage to
the seat or the safety belts. Always unbuckle the safety belts an ...
Protecting Exterior Bright Metal Moldings
Caution
Failure to clean and protect the bright metal moldings can result in a hazy
white finish or pitting. This damage would not be covered by the vehicle warranty.
The bright metal moldings on the vehicle are aluminum. To prevent damage always
follow these cleaning instructions:
Be sure ...
Engine Oil Cooler Installation
Note: Lubricate the oil cooler seal (8) with clean engine oil.
Install the engine oil cooler assembly (6) along with 2 NEW sealings (8)
and (9).
Install the 3 oil cooler bolts (5) and tighten to 10 Y (89 l ...
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