2011 Hyundai Genesis Coupe Owner's Manual - Page 343

Maintenance For mixture percentage, refer to the following table. Mixture Percentage (volume) Ambient Temperature Antifreeze 5°F (-15°C) -13°F (-25°C ) -31°F (-35°C) -49°F (-45°C) 35 40 50 60 Water 65 60 50 40 3.8L G070200AEN Changing the coolant Have coolant changed by an authorized HYUNDAI dealer according to the Maintenance Schedule at the beginning of this section. CAUTION OBH078005 4.6L Put a thick cloth around the radiator cap before refilling the coolant in order to prevent the coolant from overflowing into engine parts such as the generator. WARNING - Coolant • Do not use radiator coolant or antifreeze in the washer fluid reservoir. • Radiator coolant can severely obscure visibility when sprayed on the windshield and may cause loss of vehicle control or damage to paint and body trim. OBH078005N WARNING - Radiator cap Do not remove the radiator cap when the engine and radiator are hot. Scalding hot coolant and steam may blow out under pressure causing serious injury. 7 18