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What does this light mean?

Tap the warning light you see on your dashboard. Find out what it means, whether it's safe to keep driving, and what to do next.

Light still on? Ask Mike.Tell our free AI mechanic your car and what the light is doing. He'll help you figure out the next step.

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What the colors mean

Red

A serious problem or a safety issue. Stop soon and check it.

Yellow or orange

Something needs attention soon. Usually safe to drive for now.

Green or blue

A system is on, like high beams or cruise control. Nothing is wrong.

The most common warning lights

Check engine light

The engine computer found a problem. A steady light is usually safe to drive on for a short time. A flashing light means a serious misfire, so slow down and get it checked right away.

Oil pressure light

The engine isn't getting enough oil pressure. Pull over and turn the engine off. Driving on can ruin the engine.

Battery light

The battery isn't being charged, usually because of the alternator or a broken belt. You may have only a short time before the car dies.

Tire pressure light

One or more tires are low. Cold mornings lower tire pressure, so this light often comes on in fall and winter.

Engine temperature light

The engine is overheating. Pull over and turn it off. Never open the radiator cap while the engine is hot.

Hearing a strange noise too? Try our free Noise Checker.

Symbols can look a little different from car to car. Your owner's manual has the exact list for your vehicle. This is a guide, not a diagnosis.