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
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...
Other information:
In the OFF position, pull the lever gently toward you to spray washer fluid on
the windshield and to run the wipers 1-3 cycles.
Use this function when the windshield is dirty.
The spray and wiper operation will continue until you release the lever.
If the washer does not work, check the washe ...
The High Beam Assist is a system that automatically adjusts the headlamp range
(switches between high beam and low beam) according to the brightness of other vehicles
and road conditions.
Operating condition
1.Place the light switch in the AUTO position.
2.Turn on the high beam by pushing t ...