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:
Description and operation
Description
Automatic transaxle control system relies on various measurements to determine
the current control status and determine the necessary compensation values. These
values are used to control the actuators and achieve the desired control output.
...
The certification label is located on the driver's door sill at the center pillar.
This label shows the maximum allowable weight of the fully loaded vehicle. This
is called the GVWR (Gross Vehicle Weight Rating). The GVWR includes the weight of
the vehicle, all occupants, fuel and cargo.
This ...