2005 Hyundai Accent Owner's Manual - Page 161

6 DO-IT-YOURSELF MAINTENANCE 6 CHECKING AND CHANGING THE ENGINE COOLANT G050A01A-AAT G050B01A-AAT G050C01A-AAT Recommended Engine Coolant To Check the Coolant Level ! WARNING: Do not remove the radiator cap when the engine is hot. When the engine is hot, the engine coolant is under pressure and may erupt through the opening if the cap is removed. You could be seriously burned if you do not observe this precaution. Do not remove the radiator cap until the radiator is cool to the touch. Use a high quality ethylene-glycol coolant in a 50/50 mix with water. The engine coolant should be compatible with aluminum engine parts. Additional corrosion inhibitors or additives should not be used. The cooling system must be maintained with the correct concentration and type of engine coolant to prevent freezing and corrosion. Never allow the concentration of antifreeze to exceed the 60% level or go below the 35% level or damage to the coolant system may result. For proper concentration when adding or replacing the coolant, refer to the following table. HLC5005 Engine coolant Ambient temperature °F (°C) 5 (-15) -13 (-25) -31 (-35) -49 (-45) Antifreeze solution 35% 40% 50% 60% 65% 60% 50% 40% Water concentration The coolant level can be seen on the side of the plastic coolant reservoir. The level of the coolant should be between the "L" and "F" lines on the reservoir when the engine is cool. If the level is below the "L" mark, add engine coolant to bring it up between "L" and "F". If the level is low, inspect for coolant leaks and recheck the fluid level frequently. If the level drops again, visit your Hyundai dealer for an inspection and diagnosis of the reason.