Hyundai Sonata (2011)
Hyundai Sonata / Gallery / Hyundai Sonata (2011)
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Change to "winter weight" oil if necessary
In some climates it is recommended that a lower viscosity "winter weight" oil
be used during cold weather. See section 8 for recommendations. If you aren't sure
what weight oil you s ...
Valve clearance
Inspect excessive valve noise and/or engine vibration and adjust if necessary.
An authorized HYUNDAI dealer should perform the operation. ...
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 ...


