2003 Chevrolet Malibu Owner's Manual - Page 238
2003 Chevrolet Malibu Manual
Page 238 highlights
coolant warning system is set for t proper coolant mixture. With plain water or the wrong mixture, your engine could get too hotbut YQU wouldn't get the overheat warning. Your engine could catch fire and you or others could be burned. Use a 50/50 mixture of clean, drinkable water and DEX COOL@coolant. 1 L Notice: In cold weather, water can freeze and crack the engine, radiator, heater core and other parts. Use the recommended coolant andthe proper coolant mixture. 1. Park the vehicle on a level surface. engine parts. Coolant contains ethylene glycol and it will burn if the engine parts are hot enough. Don't spill coolant on a hot engine. You can remove the coolant surge tank pressure cap when the cooling system, including the coolant surge tank pressure cap and upper radiator hose, is no longer hot. Turn the pressure cap sl~\Ah/ cnl.!ntprclrllrck\.Mise (left) q h n ~twn or two and ~t one-half turns. If you hear a hiss, wait for that to stop. This will allow any pressure still left to be vented out the discharge hose. 5-29