2003 Buick Rendezvous Owner's Manual - Page 335

Adding Coolant If you need more coolant, add the proper DEX-COOL@ coolant at the coolanf tank. recovery Turning .,rerad,,,orpress,,e cap when the engine and radiator are hot can allow steam and scalding liquids to blow out and burn you badly. With the coolant recovery tank, youwill almost never have to add coolant the at radiator. Never turn the radiator pressure cap even a little when the engine and radiator are hot. 7 A can _ _ -Jrned I U spillcoolantonhot O engine parts. Coolant contains ethylene glycol, are hot and it will burn if the engine parts enough. Don't spill coolant on a hot engine. I Occasionally check the coolant level in the radiator. For information on how to add coolant to the radiator, see Cooling System on page 5-28. -- -- Add coolant mixture at the recovery tank, but be careful not to spill it. 5-24