See also:

Fuel recommendations
Use Unleaded Gasoline Unleaded gasoline with a Pump Octane Rating of 87 (Research Octane Number 91) or higher must be used in your Hyundai. WARNING: o Do not "top off" after the nozzl ...

40 MPG - AN 18 PERCENT IMPROVEMENT IN FUEL ECONOMY
The 2012 Hyundai Accent's highway fuel economy of 40 mpg is an 18 percent improvement over its predecessor's 34 mpg highway manual transmission fuel economy rating. Hyundai Accent's fuel economy ...

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 operatio ...