System Description
Rear Cross-Traffic Collision Warning (RCCW) system

The Rear Cross-Traffic Collision Warning (RCCW) system uses radar sensors to monitor the approaching cross traffic from the left and right side of the vehicle when your vehicle is in reverse.
The blind spot detection range varies relative to the approaching vehicle speed.
WARNING
Limitations of the System
System Setting and OperationHyundai Elantra AD (2016-2020) Service Manual: Crash Pad Under Cover Repair procedures
Replacement
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Put on gloves to prevent hand injuries.
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When removing with a flat-tip screwdriver or remover, wrap protective tape around the tools to prevent damage to components.
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Use a plastic panel removal tool to remove int ...
Hyundai Elantra AD (2016-2020) Service Manual: Front Impact Sensor (FIS) Description and Operation
Description
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The front impact sensors (FIS) are installed on the upper of
the side panel in Front End Module (FEM). They are remote sensors that
detect acceleration due to a collision at their mounting locations.
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The primary purpose of the Front Impact Sensor (FIS) is to
pro ...