There shall come time when you need to have the upholstery work of tour vehicle looked into, be it a car, RV, or boat, and such a move should only be left to the professional service providers. This should be the case for both the outside and the inside of the vehicle.
Over time, you will notice the upholstery of your vehicle developing some faults. There shall be tears on the seats, and nicks in the door panels you need to have looked into. If you leave them unattended to, they will become more unsightly.
You may also notice that the carpet has started to develop stains. The carpets in a car have to take the larger share of dirt coming into the vehicle. You may have parked your car in the field, which means you shall carry in quite an amount of dirt. If it rains, you shall bring in water, mud, and other substances. You can count on the floor mats to do a bit of damage control, but it shall only last for a while. You need the carpet to either be repaired, professionally cleaned, or replaced.
It shall also take some time but you will have stains and odors in the car. This is mostly brought about by the foods and other substances we bring into the car, and humidity. These are what shall lead to stains in places like the seats, door frames, and cup holder inserts. You will find that a spill shall become a bad smell in the car if you leave it to sit on for too long. Your attempts at cleaning it up shall also not be as thorough as needed. You can use air fresheners in there, but those will serve to mask the smell, not get rid of it. You need a professional who shall have stain dissolving cleaners and deodorizers. This shall be the right way to get rid of stubborn stains and awful smells in the car.
Where there are leather seats, extra care is needed. When you have leather seats in your vehicle, you shall find it to be a more comfortable and appealing place to be in. There is a reason why most luxurious vehicle brands rely on leather as the default interior materials. Leather is desirable for its stain resisting qualities, but it will wear off as time goes. You shall thus see it peel, crack, or fade. It shall open up the seat to more damage and staining of the inside parts. It is best if you can have the leather restored. The car shall be better to sit in going forth, and you shall use it for longer. You need to trust only professionals to handle such work for you.