Engine oil and filter
Hyundai Sonata / Sonata 2011 Owners Manual / Maintenance / Explanation of scheduled maintenance items / Engine oil and filter
The engine oil and filter should be changed at the intervals specified in the maintenance schedule. If the car is being driven in severe conditions, more frequent oil and filter changes are required.
See also:
Air Cleaner Filter
A Genuine Hyundai air cleaner filter is recommended when the filter is replaced. ...
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 ...
Parking brake
Inspect the parking brake system including the parking brake pedal and cables. ...


