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:
Replacing Accessory Fuses
The fuse box for the lights and other electrical accessories will be found low
on the dashboard on the driver's side. Inside the box you will find a list showing
the circuits protected by ea ...
Cooling system
Check cooling system components, such as radiator, coolant reservoir, hoses and
connections for leakage and damage. Replace any damaged parts. ...
Vacuum, Crankcase Ventilation Hoses
Inspect the surface of hoses for evidence of heat and/or mechanical damage. Hard
and brittle rubber, cracking, tears, cuts, abrasions, and excessive swelling indicate
deterioration. Particular att ...


