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:
Fuel Lines, Fuel Hoses and Connections
Check the fuel lines, fuel hoses and connections for leakage and damage. Have
a trained techincian, replace any damaged or leaking parts immediately. ...
Recommended Engine Coolant
When adding coolant, use only deionized water or soft water for your vehicle
and never mix hard water in the coolant filled at the factory. An improper coolant
mixture can result in serious malfun ...
Cup holder
WARNING - Hot liquids
• Do not place uncovered cups of hot liquid in the cup holder while the vehicle
is in motion. If the hot liquid spills, you may burn yourself. Such a burn to the
driver coul ...


