Kia Optima: Anti-lock brake system (ABS)
WARNING
ABS (or ESC) will not prevent accidents due to improper or dangerous driving maneuvers. Even though vehicle control is improved during emergency braking, always maintain a safe distance between you and objects ahead. Vehicle speeds should always be reduced during extreme road conditions. The braking distance for vehicles equipped with an anti-lock braking system (Electronic Stability Control System) may be longer than for those without it in the following road conditions.
During these conditions the vehicle should be driven at reduced speeds:
The safety features of an ABS (or ESC) equipped vehicle should not be tested by high speed driving or cornering. This could endanger the safety of yourself or others.
The ABS continuously senses the speed of the wheels. If the wheels are going to lock, the ABS system repeatedly modulates the hydraulic brake pressure to the wheels.
When you apply your brakes under conditions which may lock the wheels, you may hear a “tik-tik’’ sound from the brakes, or feel a corresponding sensation in the brake pedal. This is normal and it means your ABS is active.
In order to obtain the maximum benefit from your ABS in an emergency situation, do not attempt to modulate your brake pressure and do not try to pump your brakes. Press your brake pedal as hard as possible or as hard as the situation allows the ABS to control the force being delivered to the brakes.
✽ NOTICE
A click sound may be heard in the engine compartment when the vehicle begins to move after the engine is started. These conditions are normal and indicate that the anti-lock brake system is functioning properly.

CAUTION
✽ NOTICE
When you jump start your vehicle because of a drained battery, the engine may not run as smoothly and the ABS warning light may turn on at the same time. This happens because of the low battery voltage. It does not mean your ABS has malfunctioned.
Releasing the parking brake
ESC (Electronic stability control)Inspection
1.
Ignition "ON".
2.
Turn on the head lamp switch.
3.
Check for operation. If the aim
of the head lamps changes smoothly when the head lamp leve ...
Brake Pedal. Components and Components Location
Components
1. Cowl bracket
2. Brake pedal member assembly
3. Stop lamp switch
4. Return spring
5. Brake pedal stopper
6. Clevis pin
7. Snap pin
8. Brake pe ...
Repair procedures
Inspection
Front Door Lock Actuator Inspection
1.
Remove the front door trim.
(Refer to the BD group - "Front door")
2.
Remove the front door module.
...