Highway Driving Assist settings
Setting features
Basic function

A: Driver assistance
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Driving convenience
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HDA (Motorway Driving Assist)
With the vehicle on, select or deselect Settings → Vehicle → Driver assistance → Driving Convenience from the infotainment system screen to set whether or not to use each function.
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If "HDA (Motorway Driving Assist) is selected, it helps maintain distance from the vehicle ahead, maintain the set speed, and helps center the vehicle in the lane.
Highway Lane Change Assist (if equipped)
If Lane change assist (motorway) is selected, it helps the driver change lanes.

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When "HDA (Motorway Driving Assist) is deselected, the setting for Lane change assist (motorway) cannot be changed.
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If there is a problem with the functions, the settings cannot be changed. Have the function be inspected by an authorized Kia dealer/service partner.
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If the vehicle is restarted, the functions will maintain the last setting.

For your safety, change the Settings after parking the vehicle at a safe location.
Warning volume

A: Driver assistance
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Warning volume
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High
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Medium
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Low
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Off
With the vehicle on, select Settings → Vehicle → Driver assistance → Warning volume from the infotainment system screen to change the Warning Volume to High, Medium, Low or Off for Highway Driving Assist.
However, even if Off is selected, the Warning Volume will not turn off but the volume will sound as Low.
If you change the Warning Volume, the Warning Volume of other Driver Assistance systems may change.