Kia Optima: Engine coolant

Changing the engine oil and filter

Have engine oil and filter changed by an authorized Kia dealer according to the Maintenance Schedule at the beginning of this section. WARNING Used engine oil may cause irritation or cancer ...

Checking the coolant level

WARNING Removing radiator cap Never attempt to remove the radiator cap while the engine is operating or hot. Doing so might lead to cooling system and engine damage. Also, hot ...

See also:

System Operation
Ventilation 1. Set the mode selection switch to the position. 2. Set the air intake control switch to the outside air position. 3. Set the temperature control knob to the desired position. 4. Se ...

Removal
Parking Brake Pedal [Foot type] 1. Turn ignition OFF and disconnect the negative (-) battery cable. 2. Remove the crash pad lower panel and reinforcing panel. (Refer t ...

Inspection
Rain Sensing Wiper 1. In IGN2 ON state, if auto switch input (LIN communication) is ON then both wiper low relay and wiper high relay outputs are controlled by the rain sensor input s ...