Cracked oil pump housing/balance shaft module (BSM). The checking engine light came on, and the system requested an oil change after only 3k from the last oil change. I brought it to the mechanic, and the oil was refilled, and the checking engine light turned off. The vehicle keeps asking for an oil change. I opened the hood, and oil was splashed all over, leaving oil stains on the inside of the hood, hoses and surrounding surfaces.