1998 Buick Regal Owner's Manual - Page 290

LOW COOLANTI If this lightcomes on, it means you're low on engine coolant. - Adding Coolant If you need more coolant, addthe proper DEX-COOL@ coolant mixture ut the coolant recovery tank, but be careful not to spill it. If the coolantrecovery tank is completely empty, add coolant to the radiator. (See "Engine Overheating" in the Index.) n r n i n g the radiator pressure cap when the engine and radiator are hot can allow steam and scalding liquids to blow and burnyou badly. out With the coolant recoverytank, you will almost never have to add coolant at the radiator. Never turn the radiator pressure cap even a little when the engineand radiator are hot. -- -- b,CAUTIOI.. You can beburned if you spill coolant on hot engine parts. Coolant contains ethylene glycol, and itwill burn if the engineparts arehot enough. Don't spill coolant on a hot engine. I 6-26