1998 Pontiac Firebird Owner's Manual - Page 283
1998 Pontiac Firebird Manual
Page 283 highlights
1 5 7 Engine .L If this light comes on, it means you'relow on A CAUTION: Thrning theradiator pressure cap when the engine andradiator are hot can allow steam and scalding liquids to out andburn you blow badly. Never turn the pressure cap even a little when the engine and radiator arehot. I -- -- Adding Coolant to the Recovery Tank If you need more coolant,add the proper DEX-COOL@ coolant mixture at the coolant recovery tank, but only when your engine is cool. If the tank is very low or the empty, also add coolant to radiator. See "Engine Overheating'' in the Index for information. L Add coolantmixture at therecovery tank, but be careful not to spill it. I /1\ CAUTION: You can beburned if you spill coolant on hot engine parts. Coolant contains ethylene glycol, and it will burn if the engineparts are hot enough. Don't spill coolant on a hot engine.