Chevrolet Sonic Owner's Manual: Battery Power Protection
The battery saver feature is designed to protect the vehicle's battery.
If some interior lamps are left on and the ignition is turned off, the battery rundown protection system automatically turns the lamp off after some time.
Battery Load Management
The vehicle has Electric Power Management (EPM) that estimates the battery's
temperature and state of charge. It then adjusts the voltage for best performance
and extended life of the battery. ...
Other materials:
Master Cylinder Reservoir Replacement
Removal Procedure
Warning: Refer to Brake Fluid Irritant Warning.
Caution: Refer to Brake Fluid Effects on Paint and Electrical
Components Caution.
Remove the brake master cylinder. Refer to Master Cylinder Replacement.
Remove and discard the b ...
Crankcase Ventilation System Inspection/Diagnosis
Results of Incorrect Operation
A plugged positive crankcase ventilation (PCV) orifice or hose may cause
the following conditions:
Rough idle
Stalling or slow idle speed
Oil leaks
Oil in the throttle body
Sludge in the engine
Functional Check
With thes ...
Spark Plug Inspection
Spark Plug Usage
Ensure that the correct spark plug is installed. An
incorrect spark plug causes driveability conditions.
Ensure that the spark plug has the correct heat range.
An incorrect heat range causes the following conditions:
Spark plug fouling?older plug
...
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