The "Living in your car" youtubers I follow generally do not do this. Instead they go to truck rest stops like "Loves" which have properly maintained Shower + L

The "Living in your car" youtubers I follow generally do not do this. Instead they go to truck rest stops like "Loves" which have properly maintained Shower + Laundry facilities and depending on how much gas you purchase, are either comped a free shower or typically pay ~10-15$ for it. (Or if you are a really attractive female, friendly truckers might walk up and offer a coupon for a free shower since they accumulate tons of extra coupons due to buying so much fuel) These showers from what I seen are a large private room with a code lock so you can peacefully freshen up. The youtubers I follow stress that you have to be extra strict to maintain cleanliness especially if you live in your car. They develop daily routines for cleaning and it seems to work from what I can see.