See also:

Checking Engine Cooling Fan
The engine cooling fan should come on automatically if the engine coolant temperature is high. ...

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 impact on the air conditioning system. Therefore, if abnormal operation i ...

Performance
There's a lot to like about the turbo drivetrain, with its 274 horsepower and six-speed automatic transmission, but before I talk about power I should say that the Sonata 2.0T really shines becaus ...