Air conditioning refrigerant
Hyundai Sonata / Sonata 2011 Owners Manual / Maintenance / Explanation of scheduled maintenance items / Air conditioning refrigerant
Check the air conditioning lines and connections for leakage and damage.
See also:
Valve clearance
Inspect excessive valve noise and/or engine vibration and adjust if necessary.
An authorized HYUNDAI dealer should perform the operation. ...
Checking the engine oil
Engine oil is essential to the performance and
service of the engine. It is suggested that you
check the oil level at least once a week in normal
use and more often if you are on a trip or driving
...
Theft-alarm stage
The alarm will be activated if any of the following occurs while the system is
armed.
• A door is opened without using the transmitter (or smart key or mechanical
key).
• The trunk is opened wit ...


