Seat: If it is a leather seat, buy a seat cushion and cushion. If it is a cloth seat, buy a seat cover. They are sold in car decoration stores, and they will install it. You can also buy it in the store and install it yourself. It is very simple, just wrap the seat cover on the seat, and then tie it into a rope or buckle.
steering wheel cover:
Steering wheel cover: Just install it by yourself.
Foot pads: Just lay in the car by yourself.
Luggage cushion: Shop it by yourself. In fact, it's very simple to install it yourself, and you can install it after much thought.