When using a floor mat on the front floor carpet, make sure it attaches to the floor mat anchor(s) in your vehicle. This keeps the floor mat from sliding forward.
WARNING
The following must be observed when installing ANY floor mat to the vehicle.
IMPORTANT - Your vehicle was manufactured with driver's side floor mat anchors that are designed to securely hold the floor mat in place. To avoid any interference with pedal operation, Kia recommends that the Kia floor mat designed for use in your vehicle be installed.
Kia Niro 2017 (DE HEV) Service Manual: Reservoir Components and components location
Components Location
1. Reservoir
...
Kia Niro (DE HEV) Owners Manual: Securing a Child Restraint System with the “ISOFIX Anchorage System”
To install an i-Size or ISOFIX-compatible Child Restraint System in either of
the rear outboard seating positions:
1. Move the seat belt buckle away from the ISOFIX anchorages.
2. Move any other objects away from the anchorages that could prevent a secure
connection between the Child Restraint ...