What Causes the Small Yellow Light in a Car to Illuminate?

[MacMariana]

When the small yellow light in a car illuminates, it generally indicates a fault alert or maintenance reminder. The yellow lights on a car's dashboard include various types, mainly the engine fault light, oil fault light, tire pressure fault light, transmission fault light, and maintenance reminder light. When the yellow light comes on, it usually means there is a fault in the car, and the vehicle should be inspected and repaired based on the type of fault light. When the car experiences the following issues, it is advisable to promptly visit a repair shop for professional inspection and maintenance to eliminate potential safety hazards while driving. Reasons for the engine fault light illuminating: including engine overheating, engine misfire, engine knocking, severe engine carbon buildup, poor fuel quality, etc. Oil fault light: insufficient oil level, engine overheating, or damage/wear to oil pump components. Transmission fault light illuminating: transmission oil is too dirty, transmission overheating, etc. Tire pressure fault light: tire pressure too high or too low, tire damage, faulty tire pressure sensor. Maintenance reminder light: indicates the need for car maintenance and repair.