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:
Automatic Headlamp System
When it is dark enough outside and the exterior lamp control is in the automatic
position, the headlamps come on automatically. See Exterior Lamp Controls.
The vehicle has a light sensor on top of the instrument panel. Make sure it is
not covered, or the headlamps will be on when they are not ...
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.
When the battery's state of charge is low, the voltage is raised slightly to
quickly bring t ...
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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