I have the same problem. I want to clean the carpets in the car. Is there a risk of using something like this and not taking the carpets out of the car?

https://www.amazon.com/gp/product/B0016HF5GK/

Get a wet vaccuum. https://www.amazon.com/Bissell-Multi-Purpose-Portable-Upholstery-1400B/dp/B0016HF5GK/ref=sr_1_3?crid=15NOKI5EVC0SQ&keywords=wash+couch&qid=1687991851&sprefix=wash+couch%2Caps%2C152&sr=8-3