Buick RIVIERA 1998 Owner Manual

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When adding eoolanl,_it is important that you use only DEX-Cflfll.‘fi' {silicate-flee} coolant.

If coolant other than DEX-COOL is added to the system. premature engine, heater core or

radiator corrosion may result. In addition, litt- engine coolant will require change sooner -- at 3fl.l}fl[| miles {50 Dill] km} or 24 months.

whichever oeeurs first. Damage eats-ed by lhe use of coolant other than DEX-CODE” is not

revered by your new vehicle warranty.

What to Use

Use a mixture. oJ‘one-hall' Mean water {plel'erably distilled] and one-half DEX-COOL 5' eoolonl which won '1 damage aluminum parts. If you use this mixture. you don‘t need to acid anything else.

Adding only plain water to your cooling system can be dangerous. Plain water. or some other liquid like alcohol. can boil heron: the owner coolant mixture will. Your vehicle‘s coolant

warning system is set for the proper coolant mixture. With plain water or the wrong mixture. your engine could get too hot but you wouldn't get lln: overheat warning. 1|tour engine oould

catch fire and you or others could be burned. Use a SILI'SIJ mixture of clean water and

DEX-COOL? coolant.

6-2!

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