To install: 1.Clean the mounting area thoroughly with car wash soap. Dry it completely. Make sure the mounting surface is smooth and without debris. 2.Before removing tape cover, test fit the visors on your car and mark the position with masking tape. For better result, it may require 2 persons. 3.Remove the backing of the adhesive. 4.Carefully aligning the visors into correct position. Please make sure position is correct before applying pressure. 5.Apply pressure on the tape and make sure it is completely secure before driving. Adhesive will take up to 1 hour to set. Repeat the same steps for the remaining windows.