Just put them in and they fit like a glove. Good quality too. Only bad thing is they are not labeled. You have to go to the website and print out a diagram and then try and figure out which one each is. Not easy as some look very similar. But, I am very happy with the outcome. Note, the ones I bought are for 2020-2021 models only. I do not know if they would fit 2017-2019 models.