Owner's Manual
Page 360
... the oil life system whenever the oil is changed. Remember to work using genuine GM parts and reset the system. Based on driving conditions, the mileage at the proper level. If the system is ever reset accidentally, you must reset the system every time the oil is changed at least once... a year and at extremely low temperatures. Your dealer has GM-trained people who will perform this time the system must be changed . 360 Engine Oil Additives Do not add anything...
... the oil life system whenever the oil is changed. Remember to work using genuine GM parts and reset the system. Based on driving conditions, the mileage at the proper level. If the system is ever reset accidentally, you must reset the system every time the oil is changed at least once... a year and at extremely low temperatures. Your dealer has GM-trained people who will perform this time the system must be changed . 360 Engine Oil Additives Do not add anything...