Kia Optima: Disc Brake Wear Indicators
Your vehicle has disc brakes.
When your front brake pads are worn and it’s time for new pads, you will hear a high-pitched warning sound from your front brakes. You may hear this sound come and go or it may occur whenever you depress the brake pedal.
WARNING - Brake Wear
This brake wear warning sound means your vehicle needs service. If you ignore this audible warning, you will eventually lose braking performance, which could lead to a serious accident.
✽ NOTICE
To avoid costly brake repairs, do not continue to drive with worn brake pads. Always replace brake pads or linings as a complete front or rear axle sets.
Please remember that some driving conditions or climates may cause a brake squeal when you first apply (or lightly apply) the brakes. This is normal and does not indicate a problem with your brakes.
In the Event of Brake Failure
If the service brakes should fail to operate while the vehicle is in motion,
you can make an emergency stop with the parking brake. The stopping distance, however,
will be much greater than normal ...
Parking Brake
• To set the parking brake, pull the parking brake handle fully and firmly upward
while applying the service brake.
• To release the parking brake, pull the handle up slightly and push the rele ...
See also:
Rocking the Vehicle
If it is necessary to rock the vehicle to free it from snow, sand, or mud, first
turn the steering wheel right and left to clear the area around your front wheels.
Then, shift back and forth betwe ...
Specifications
Specification
Item
Specification
Ultrasonic sensor
Voltage rating
DC 8.5 V
Detecting range
40 cm ~ 120 cm
...
Inspection
Test the horn by connecting battery voltage to the 1 terminal and ground the 2 terminal.
The horn should make a sound. If the horn fails to make a sound, replace it.
Horn Relay Inspection
1.
...