Should I wash the padding in my infant car seat before use?

I just bought my car seat (brand new) and I’m due in three weeks. The instruction manual has instructions on how to wash the seat pad and the canopy. Am I supposed to wash it all before I put my baby in it to bring her home? I’ve washed everything else that I have (clothes, blankets, sheets, etc.) and I’m just curious if other people wash this as well.