2012 Hyundai Elantra Owner's Manual - Page 157

Features of your vehicle ✽ NOTICE • Replace the filter according to the Maintenance Schedule. If the vehicle is being driven in severe conditions such as dusty, rough roads, more frequent climate control air filter inspections and changes are required. • When the air flow rate suddenly decreases, the system should be checked at an authorized HYUNDAI dealer. Checking the amount of air conditioner refrigerant and compressor lubricant When the amount of refrigerant is low, the performance of the air conditioning is reduced. Overfilling also has a negative influence on the air conditioning system. Therefore, if abnormal operation is found, have the system inspected by an authorized HYUNDAI dealer. ✽ NOTICE It is important that the correct type and amount of oil and refrigerant is used. Otherwise, damage to the compressor and abnormal system operation may occur. WARNING The air conditioning system should be serviced by an authorized HYUNDAI dealer. Improper service may cause serious injury to the person performing the service. 4 79