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The check engine light can indeed come on due to low oil levels among other issues.
The primary role of this light on your dashboard is to alert you to various problems affecting your vehicle's engine or related systems.
Low oil levels can lead to insufficient lubrication, causing increased friction and heat, potentially damaging engine components.
This situation may trigger the engine's computer (ECU) to turn on the check engine light as a warning.
However, it's more common for cars to have a separate oil pressure warning light specifically for oil-related issues.
If the check engine light comes on, it's advisable to check the oil level as a first step among others (such as checking for any other visible signs of engine distress) and consider getting a professional diagnostic to identify the exact cause of the alert.
It's essential to address such warnings promptly to avoid possible significant engine damage.