Cooling system
Hyundai Sonata / Sonata 2011 Owners Manual / Maintenance / Explanation of scheduled maintenance items / Cooling system
Check cooling system components, such as radiator, coolant reservoir, hoses and connections for leakage and damage. Replace any damaged parts.
See also:
Coolant
The coolant should be changed at the intervals specified in the maintenance schedule. ...
Interior Light
The interior courtesy light switch has three positions. The three positions are:
o "DOOR"
In the "DOOR" position, the interior courtesy light comes on when any door is
opened ...
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
...