Kia Optima TF 2011-2026 Service Manual
Reporting Safety DefectsReassembly
Thoroughly clean all parts to be assembled.Before installing the parts,
apply fresh engine oil to all sliding and rotating surfaces.
...
Removal and Installation
1.
Disconnect the battery terminals.
(Refer to Engine and transaxle assembly in this group)
2.
Remove the air cleaner assembly
and the intercooler inlet/outlet hoses. ...
Fuel requirements
Your new Kia vehicle is designed to use only unleaded fuel having a pump octane
number ((R+M)/2) of 87 (Research Octane Number 91) or higher.
Your new vehicle is designed to obtain maximum performa ...