1996 Buick Park Avenue Owner's Manual

NOTICE:When adding coolant it is important that you useDEX-COOL TM (orange-colored, silicate-free)coolant meeting GM Specification 6277M.If silicated coolant is added to the system,premature engine, heater core or radiatorcorrosion may result. In addition, the enginecoolant will require change sooner -- at30,000 miles (50 000 km) or 24 months,whichever occurs first.What to UseUse a mixture of one-half clean water (preferablydistilled) and one-half DEX-COOL TM (orange-colored,silicate-free) antifreeze that meets GM Specification6277M, which won’t damage aluminum parts. UseGM Engine Coolant Supplement (sealer) (GM PartNo. 3634621) with any complete coolant change. If youuse this mixture, you don’t need to add anything else.