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:
Torque Lock (Automatic Transmission)
If you are parking on a hill and you do not shift the transmission into P (Park)
properly, the weight of the vehicle may put too much force on the parking pawl in
the transmission. You may find it difficult to pull the shift lever out of P (Park).
This is called “torque lock.” To prevent t ...
Retained Accessory Power Description and Operation
Retained Accessory Power
RAP Description and Operation Block Diagram
K9Body
Control
ModuleK73Telematics
Communication
Interface
Control ModuleA11RadioKR76Retained
Accessory
Power
Relay
Hard-W ...
Drive Range, First Gear (Gen 2)
As the vehicle speed increases, the transmission control module (TCM) receives
input signals from the automatic transmission input and output speed sensors, throttle
position sensor and other vehicle sensors to determine the precise moment to de-energize
or ?urn OFF?the shift solenoid, and to ...
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