Grand Prix V6-191 3.1L VIN M SFI (1998)
16. Fill the engine with new engine oil. Refer to Engine Oil and Oil Filter Replacement.
17. Fill the cooling system with engine coolant. Refer to Draining and Filling Cooling System in Cooling System.
18. Connect the battery ground (negative) cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Starting and Charging.