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:
Engine Coolant Temperature Warning Light
This light comes on briefly while starting the vehicle.
If it does not, have the vehicle serviced by the dealer. If the system is working
normally the indicator light goes off.
Caution
The engine coolant temperature warning light indicates that the vehicle has
overheated. Driving with this ...
Ignition Positions
The ignition switch has four different positions.
To shift out of P (Park), the ignition must be in ON/RUN and the regular brake
pedal applied.
1 (STOPPING THE ENGINE/LOCK/ OFF): When the vehicle is stopped, turn the ignition
switch to LOCK/ OFF to turn the engine off.
This position locks t ...
Intake Manifold Tuning Valve Actuator Replacement
Intake Manifold Tuning Valve Actuator Replacement
Callout
Component Name
Preliminary Procedure
Properly raise and support the vehicle. Refer to Lifting and Jacking
the Vehicle.
1
Intake Manifold ...
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