Kia Optima: Engine coolantThe 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.
Changing the engine oil and filter
Checking the coolant levelDriver's and passenger's front air bag
Driver’s front air bag
Passenger’s front air bag
Your vehicle is equipped with an Advanced Supplemental Restraint (Air Bag) System
and lap/shoulder belts at both the driver and passenger s ...
Headlight Aiming Adjustment
Before performing aiming adjustment, make sure of the following.
1. Keep all tires inflated to the correct pressure.
2. Place the vehicle on level ground and press the front bumper & rear bump ...
Power Windows
The ignition switch must be in the ON position for power windows to operate.
Each door has a power window switch that controls that door’s window. However, the
driver has a power window switch w ...