Kia Optima: Chassis / Brake/Clutch Fluid
Repair procedures
Check the brake fluid level in the brake fluid reservoir. The level should be
between “MIN” and “MAX” marks on the side of the reservoir.

Use only hydraulic brake fluid conforming to DOT 4 specification.
Check the brake system for any leakage if the fluid level is extremely low (lower
than MIN).
Repair procedures
Inspection
Visually check for proper installation, chafing, cracks, deterioration and any
leakage.
Replace any deteriorated or damaged parts immediately. ...
Other information:
Repair procedures
Inspection
[On vehicle inspection]
1.
Accelerate the engine to about 3,000 rpm 3 times or more.
2.
Remove the spark plug.
3.
Check the spark plug visually.
If the electrode is dry, the spark ...
Depress the brake pedal.
Shift into N (Neutral) with an Automatic transmission.
Press the CANCEL switch.
Decrease the vehicle speed lower than the memory speed by 20 km/h (12 mph).
Decrease the vehicle speed to less than approximately 25 km/h (15 mph).
Each of these actions will canc ...