WARNING:
An electric fan under the hood can start up and
injure you even when the engine is not running.
Keep hands, clothing, and tools away from any underhood electric fan.
WARNING:
Things that burn can get on hot engine parts and
start a fire. These include liquids like fuel, oil,
coolant, brake fluid, windshield washer and other
fluids, and plastic or rubber. You or others could
be burned. Be careful not to drop or spill things
that will burn onto a hot engine.
Chevrolet Cobalt Service & Repair Manual. Engine Oil Light, Diagnosis & Testing
1.
Understand and validate customer concern.
Inspect visible system components for obvious damage or conditions
that may cause concern.
2.
Inspect for related bulletins, recall/field
actions and preliminary information.
...