Kia Optima: Maintenance / Checking fluid levels
When checking engine oil, engine coolant, brake fluid, and washer fluid, always
be sure to clean the area around any filler plug, drain plug, or dipstick before
checking or draining any lubricant or fluid. This is especially important in dusty
or sandy areas and when the vehicle is used on unpaved roads. Cleaning the plug
and dipstick areas will prevent dirt and grit from entering the engine and other
mechanisms that could be damaged.
Engine oil and filter
The engine oil and filter should be changed at the intervals specified in the
maintenance schedule. If the vehicle is being driven in severe conditions, more
frequent oil an ...
Checking the engine oil level
■ THETA 2.4L - GDI
1. Be sure the vehicle is on level ground.
2. Start the engine and allow it to reach normal operating temperature.
3. Turn the engine off and w ...
Other information:
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 battery, contact an authorized Kia dealer.
1. Remove the mechanical key.
2. Pry open the rear ...
Electric type
The outside rearview mirror can be folded or unfolded by pressing the switch
when the ignition switch is ACC or ON position as below.
Left (1) : The mirror will unfold.
Right (2) : The mirror will fold.
Center (AUTO, 3) :
The mirror will fold or unfold automatically as follows ...