1996 Oldsmobile Silhouette Owner's Manual - Page 266

I NOTICE: If you use an improper coolant mix, your engine could overheat and be badly damaged. The repair cost wouldn'tbe covered by your warranty. Too much water in the can freeze mix and crack theengine, radiator, heater core and other parts. If you have to add coolant more than four a year, times have your retailer check your cooling system. I 1 I Checking Coolant The engine coolant reservoir is locatedthe on passenger's sideof the vehicletowards the middleof the engine compartment. NOTICE: If you use the proper coolant, you don't have to add extra inhibitors additives which claim to or improve thesystem. These can be harmful. When your engine cold, the coolant levelshould be at is FULL COLD, or a little higher. When your engine is warm, the levelshould be up to FULLHOT, or a little higher.