Kia Optima: Applying the parking brake
Foot type
To engage the parking brake, first apply the foot brake and then depress the parking brake pedal down as far as possible.

Hand type
To engage the parking brake, first apply the foot brake and then pull up the parking brake lever as far as possible.
In addition it is recommended that when parking the vehicle on a incline, the shift lever should be in a low gear on manual transaxle vehicles or in the P (Park) position on automatic transaxle vehicles.
CAUTION
Parking brake
Releasing the parking brakeAdjusting the height of front seat cushion
Front height of front seat cushion
Move the front portion of the control knob up to raise or down to lower the front
part of the seat cushion.
Rear height of front seat cushion
Move the rear ...
Removal
1.
Disconnect the negative (-) battery
terminal.
2.
Remove the front bumper.(Refer
to the BD group - "Front bumper")
3.
Loosening the he ...
Inspection
1.
Turn ignition switch OFF.
2.
Disconnect the oil temperature
sensor connector.
3.
Measure resistance between sensor
signal terminal and sensor g ...