Hyundai Elantra: Cooling system - Explanation of scheduled maintenance items - Maintenance - Hyundai Elantra MD 2010-2015 Owners manualHyundai Elantra: Cooling system

Check cooling system components, such as radiator, coolant reservoir, hoses and connections for leakage and damage. Replace any damaged parts.

    Spark plugs
    Make sure to install new spark plugs of the correct heat range. ...

    Coolant
    The coolant should be changed at the intervals specified in the maintenance schedule. ...