Kia Optima: Body Electrical System / Head Up Display System
Components and components location

1. Rain sensor
2. Head up display (HUD) unit
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3. Instrument cluster
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Description and operation
HUD system displays various information on the windshield glass which minimizes
the driver’s eye movement to enhance safety and convenience.
The Head Up Display reflects the TFT LCD images to two mirrors (flat/concave)
and displays them 2.2m ahead from the driver's eye.

Information provided by HUD
1. |
Drive information : Vehicle speed
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2. |
Turn by Turn navigation information, road signs.
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System Diagram

Components Description
1. |
Head Up Display : Electronic system that provides safety and convenience
by displaying the vehicle information on the windshield glass to minimize
movement of the driver's eye.

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2. |
HUD ON/OFF : There is no ON/OFF switch for Head Up Display. Enable/disable
in user setting menu in instrument panel.
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3. |
Illumination Sensor : It is equipped with bidirectional (vertical and
horizontal) sensor. HUD brightness is controlled depending on horizontal
measurement (ambient brightness).
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Built-in bidirectional illumination sensor

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If illumination sensor measurement could not be detected, HUD
will not be displayed. Check for normal operation of illumination
sensor before inspecting HUD.
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4. |
Windshield glass : Windshield glass exclusive for Head Up Display is
built in with double image removal film.
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Use of window tinting film on windshield glass may decrease
image quality
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•
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Image may be distorted or seem dark if driver wears polarized
sunglasses.
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When replacing front windshield glass, always replace with exclusive
windshield glass for Head Up Display. Otherwise, the Head Up Display
images may overlap.
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Schematic diagrams
Connector and Terminal Function
Repair procedures
Removal
1.
Disconnect the negative battery terminal.
2.
Remov ...
Schematic diagrams
Connector and Terminal Function
Repair procedures
Removal
•
...
Other information:
The Forward Collision-Avoidance Assist (FCA) system is designed to monitor the
vehicle or pedestrians ahead in the roadway through camera recognition to warn the
driver that a collision is imminent, and if necessary, apply emergency braking.
In certain situations, the camera may not be able to ...
Operates as follows when the ignition switch is turned ON.
MIST : For a single wiping cycle, move the lever to this (MIST) position and
release it. The wipers will operate continuously if the lever is held in this position.
OFF : Wiper is not in operation
INT : Wiper operates intermittently at ...