Prerequisite, pry outward, remove the assembly of inside air temperature from the I/P. Then you should disconnect the electrical connection and the tube from the assembly, then take off the assembly. To install, connect the electrical connector and the tube to the inside air temperature assembly. Make sure that the foam seal tape is in the right position to cover the openings on the sides of the grille assembly, and finally, create stress to the inside air temperature assembly back to the I/P.