Changing the engine oil and filter
Hyundai Sonata / Sonata 2011 Owners Manual / Maintenance / Engine oil / Changing the engine oil and filter

See also:
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 ...
Closing the fuel filler lid
1. To install the cap, turn it clockwise until it “click”. This indicates that
the cap is securely tightened.
2. Close the fuel filler lid and push it in lightly making sure that it is securely
c ...
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 ...


