How to open the locked fuel flap on Renault Clio 4 Renault Clio (2012-2019 / Clio IV, Clio 4, MK 4).. In this short video we will see how to open the locked fuel flap on the Renault Clio fourth series, following the instructions below. First,.. .. to open the rear right side door; then we go to manually unlock the electronic lock of our hatch, inserting the hand on the hole that we find near the..