Kia Optima: To set cruise control speed
1. Press the CRUISE ON-OFF button on the steering wheel to turn the system on. The CRUISE indicator light in the instrument cluster will illuminate.
2. Accelerate to the desired speed, which must be more than 40 km/h (25 mph).

3. Move the lever (1) down (to SET-), and release it at the desired speed. The SET indicator light in the instrument cluster will illuminate. Release the accelerator at the same time. The desired speed will automatically be maintained.
On a steep grade, the vehicle may slow down or speed up slightly while going downhill.
Cruise control system
To increase cruise control set speedChecking the brake/clutch* fluid
level
Check the fluid level in the reservoir periodically.
The fluid level should be
between MAX and MIN marks on the
side of the reservoir.
Before removing the reservoir cap and
adding brake/c ...
Fan speed control
The fan speed can be set to the desired speed by pressing the fan speed control
switch.
To change the fan speed press the
part of the switch for higher speed
or press the part of the switch ...
To defog inside windshield
1. Set the mode selection switch to the
or
position.
When you select or
position, the system automatically
turns on the outside (fresh) air mode.
2. Set the temperature control knob to th ...