What causes the small red light on the dashboard to flash?

2 Answers
Myers
09/03/25 7:41am
The small red light flashing on the dashboard can be caused by the following reasons: 1. Water temperature warning light: The water temperature fault light indicator appears on the dashboard, indicating that the engine water temperature is too high and a fault has occurred. Possible causes include insufficient coolant in the radiator, a faulty water temperature sensor, or a malfunction in the water circulation cooling system. You should stop and check immediately to avoid engine damage. 2. Brake fault light: When the brake fault light comes on, it may indicate that the brake pads are worn to the limit, there is insufficient brake fluid, or a short circuit in the wiring. If the brake light fault occurs, you should stop to check if there is a problem with the brakes and whether the car can stop properly, then drive to a nearby repair shop for inspection. Otherwise, severe brake failure could lead to a serious accident. 3. ABS warning light: When the ABS warning light comes on, you should also be cautious about the car's braking system and check for any issues. It could be due to mud on the wheels causing signal interruption or a burnt-out sensor. Timely detection and inspection can reduce safety hazards. 4. Airbag fault light: When the airbag fault light appears, it indicates a problem with the airbag. You should promptly visit a 4S shop to check the airbag. Otherwise, in the event of a traffic accident, the airbag may fail to deploy properly, or it might deploy unexpectedly without any accident, posing a significant safety risk. 5. Oil pressure fault light: The oil pressure fault light is another common type of fault light, resembling a boiling "kettle." Possible causes include insufficient engine oil or an oil leak. You should stop and check immediately to avoid potential engine damage.
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OCaden
09/16/25 2:13am
When I used to help out at the auto repair shop, I often encountered car owners complaining about the small red light flashing on the dashboard, which usually indicates a serious issue that needs immediate attention. The most common reason is low oil pressure, possibly caused by a faulty oil pump or oil leakage leading to insufficient lubrication; there's also the brake system warning, such as the handbrake not being fully released or insufficient brake fluid; engine overheating can also trigger the red light to flash, hinting at radiator or water pump problems; if the airbag warning light comes on, it indicates a defect in the safety system; unstable battery voltage or alternator failure can also cause the light to flash. Never ignore it! When the small red light flashes, you should pull over to check the manual or go to a professional shop for inspection. Delaying could lead to engine damage or accidents. Regularly maintaining fluid levels and circuits is a good habit to avoid such alarms—safety first, after all.
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