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What does a red oil can on the car dashboard mean?

1 Answers

LaValentina

07/29/25 7:49pm

When a red oil can icon appears on the car dashboard, this warning light indicates severe engine oil blockage or insufficient oil level. In this situation, you should immediately stop the vehicle and preferably have it towed to a 4S shop for repair. Here are the major functions of engine oil: 1. Lubrication and friction reduction: Engine oil forms an oil film between two sliding surfaces, preventing direct metal-to-metal contact and ensuring smooth operation of components. 2. Cleaning and dispersion: High-quality oil can flush away surface contaminants through oil circulation, absorbing tiny metal particles in the engine which are then scraped down to the oil pan by piston rings. 3. Cooling: During engine operation, oil absorbs heat from high-temperature areas and carries it away, assisting in component cooling. 4. Sealing: Creates an oil film seal between piston rings and cylinders to prevent combustion gases from leaking into the crankcase. 5. Rust and corrosion prevention: Good oil adheres to component surfaces, protecting them from contact with air, acidic substances, and harmful gases, thus preventing corrosion. 6. Shock absorption: When cylinder pressure increases suddenly, the oil lubricates bearings to cushion the impact loads on pistons, piston rings, connecting rods and crankshaft bearings.

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