1996 Buick Riviera Owner's Manual - Page 252

1 r NOTICE: I ~. -. ..., Checking Coolant I If you use an improper coolant mix, your engine could overheatand be badly damaged. The repair cost wouldn't be covered by your warranty. Too much water in the can freeze crack the mix and engine, radiator, heatercore.and other parts.. I . If you have to add coolant more than times a year, four have yourdeder check your cooling system. t I NOTICE: If you use the proper coolant, you don't haveto add extra inhibitors or additives whichclaim to improve the system. These can be harmful. i l I The engine coolant recoverytank is located on the driver'sside of theenginecompartment. 6-23