The sensor is to maintain a certain distance from the vehicle in front. However, the smudged sensor lens with foreign substances, such as snow and rain, adversely affects the sensing performance. It may even temporarily cancel the AEB. Always keep the sensor lens clean.
Kia Niro 2017 (DE HEV) Service Manual: Rear Door Trim Repair procedures
Replacement
Put on gloves to protect your hands.
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Use a plastic panel removal tool to remove interior trim pie ...
Kia Niro 2017 (DE HEV) Service Manual: Front Impact Sensor (FIS) Description and operation
Description
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The front impact sensor (FIS) is installed in the Front End Module (FEM).
They are remote sensors that detect acceleration due to a collision at its
mounting location. The primary purpose of the Front Impact Sensor (FIS)
is to provide an indica ...