Spark plugs
Hyundai Sonata / Sonata 2011 Owners Manual / Maintenance / Explanation of scheduled maintenance items / Spark plugs
Make sure to install new spark plugs of the correct heat range.
See also:
Audio System
NOTE:
If you install an aftermarket HID headlamp, your vehicle's audio and electronic
device may malfunction. ...
Jump Starting
WARNING:
The gas produced by the battery during the jump-start operation is highly explosive.
If these instructions are not followed exactly, serious personal injury and damage
to the vehicle m ...
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
...


