Chevrolet Sonic Owner's Manual: Service Vehicle Soon Light
For vehicles with this light, it comes on if a condition exists that may require the vehicle to be taken in for service.
If the light comes on, take the vehicle to your dealer for service as soon as possible.
Malfunction Indicator Lamp
A computer system called OBD II (On-Board Diagnostics-Second Generation) monitors
the operation of the vehicle to ensure emissions are at acceptable levels, helping
to maintain a clean environment ...
Brake System Warning Light
The vehicle brake system consists of two hydraulic circuits. If one circuit is
not working, the remaining circuit can still work to stop the vehicle. For normal
braking performance, both circuits ...
Other materials:
Fuel Pressure Measurement
Special Tools
EN 34730?E1 Pressure Tester
For equivalent regional tools, refer to Special Tools
Warning: Gasoline or gasoline vapors are highly flammable. A fire
could occur if an ignition source is present. Never drain or store gasoline
or diesel fuel in an open con ...
Fuel Tank Replacement
Removal Procedure
Disconnect the battery negative cable. Refer to Battery Negative Cable
Disconnection and Connection.
Relieve the fuel pressure. Refer to Fuel Pressure Relief.
Drain the fuel Tank. Refer to Fuel Tank Draining.
Lift and support the vehicle. Refer to Lifti ...
Control Solenoid Valve and Transmission Control Module Assembly Inspection
Verify the conditions listed below do not exist. Carefully
inspect the control solenoid valve assembly connectors and pins (1, 2, 4, 6)
for the condition. Repair or replace as necessary.
Damage
Bent pins
Debris
Broken retaining tab
Contamination
Verify there is ...
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