Hyundai Azera: Engine coolant
The high-pressure cooling system has a reservoir filled with year-round antifreeze coolant. The reservoir is filled at the factory.
Check the antifreeze protection and coolant level at least once a year, at the beginning of the winter season, and before traveling to a colder climate.
WARNING - Cooling fan

Use caution when working near the blade of the cooling fan. The electric motor (cooling fan) is controlled by engine coolant temperature, refrigerant pressure and vehicle speed. It may sometimes operate even when the engine is not running. Your vehicle equipped with GDI, the electric motor (cooling fan) may operate until you disconnect the negative battery cable. Not heeding these warnings could result in serious injuries.
Changing the engine oil and filter
Checking the coolant levelCVVT Assembly Components and Components Location
Components
1. RH exhaust CVVT2. RH intake CVVT3. LH intake CVVT4. LH exhaust CVVT
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Rear Package Tray Trim Repair procedures
Replacement
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Use a plastic panel removal tool to remove interior trim pieces to protect from marring the surface.
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Take care not to bend or scratch the trim and ...
Battery replacement
A smart key battery should last for several years, but if the smart key is not
working properly, try replacing the battery with a new one. If you are unsure how
to use your smart key or replace the ...