1997 Oldsmobile Aurora Owner's Manual - Page 274

I NOTICE: When adding coolant, it is important thatyou use only DEX-COOL@(silicate-free) coolant. If coolant other than DEX-COOL@is added to the system, premature engine, heater core or radiator corrosion may result. In addition, the engine coolant will require change sooner at 30,000 miles (50 000 km)or 24 months, whichever occurs first. Damage caused by the use of coolant other than DEX-COOL@is not covered by your new vehicle warranty. What to Use Use a mixture of one-half clean water (preferably distilled) and one-half DEX-COOL@coolant which won't damage aluminum parts. If you use this mixture, you don't need to add anything else. Aspecial procedure is required for adding sealer; see the Aurora Service Manual. (To order a service manual, see "Service Publications'' in the Index.) -- r = Adding only plain water to your cooling system can be dangerous. Plain water, or some other liquid like alcohol, can boil beforethe proper coolant mix Your vehicle's coolant warning coolant m . With i x system is set for the proper plain water or the wrong mix, your engine could get toohot butyou wouldn't getthe overheat warning. Your engine could catch fire andyou or others could beburned. Use a 50/50 mix of clean water andDEX-COOL@coolant. wil. 6-22