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Safety check: a cooling fan that runs after the engine is switched off

Use warning messages and drivability changes to judge how urgently to address a cooling fan that runs after the engine is switched off.

September 25, 20261 min read
AI4Car quick readA short, original guide from the AI4Car knowledge library.

When a cooling fan that runs after the engine is switched off occurs, first check whether the car remains safe to control. Do not put hands near the fan; it can start unexpectedly. If the symptom is mild and no critical warning appears, note the conditions and arrange a timely inspection.

The owner’s manual gives the vehicle-specific response for warning lights. Check the manual because some vehicles intentionally run the fan briefly; keep clear of it even when parked. Do not continue a test drive when the car’s behavior becomes unsafe.

Quick educational note

For information, not a diagnosis or repair instruction. Vehicle-specific checks are still required. Consult the manufacturer's guidance and a qualified technician.

How to use this information

This article explains general principles and does not establish what is wrong with your vehicle. Read the content limitations.

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Safety check: a cooling fan that runs after the engine is switched off | AI4Car