If you have soiled car seat, you can use the same upholstery cleaner you use at home on car’s upholstery. But overuse it to avoid saturating the fabric. Use a clean cloth to wipe out after the spray and brush the fibers if necessary. A fabric protectant can also be applied on the fabric car seats and carpets so the seats cna resist dirt and stains.

 

If you have leather car seats, you can use a leather cleaner to remove dirt and stains and then apply a leather protectant formulated for pigmented. Protectants can help the upholstery easier to clean in the furture.

 

Another option is use seat cover. Here are some seat covers for sale on eBay.