A More Thorough Clean – Small crevices may be missed by a hands-free car wash, so when your vehicle needs a more thorough clean, you may want to wash it by hand. Places like the undercarriage are more easily accessible and it is easier to eliminate eyesores like dried bugs on the windshield or headlights.

Affordable: If you are looking to save a bit of cash, it is quite affordable to wash your car right at home.

Perfection: A human mind and body are what’s at work in the hand car wash method, because of which the result of a hand car wash is usually close to perfect.

Better reach: The hand car wash method lets you reach the nooks and crannies of a car where machines otherwise fail to reach. Besides that, handwashing is easy to set up; all you need are a washing mitt, microfiber towels, and a water bucket.

Harsh Chemicals harsher chemicals are needed to break down the debris without the use of brushes and rollers (if your washing routine becomes too frequent, you could potentially damage your paint’s finish).
Incomplete Cleaning although they use sensors to move the hoses along the shape of your car, they cannot get into all of the tight spaces of modern vehicles.
Friction-based car washes are the most convenient and commonly used automated system. A series of industrial-strength machines with spinning cloth-like materials are used to wash the surface of your car. This kind of automated system tends to leave swirl marks on the surface and eats away at your paint, leaving scratches and chips over time.

Dents & Scratches Dents and scratches are a common occurrence in friction-based tunnels (brushes and rollers can break loose, workers could lose focus, etc.).
Water Spots if you are unable to get a towel dry, even the facilities that offer super hair driers are prone to leaving water spots on cars. If the water isn’t filtered, as it dries on the surface of your car, it will leave mineral spots (which are difficult to remove).
Not Safe for Electric Cars aside from paint damage, the sensors and electric motor can be damaged. (However, low-pressure touchless washes in moderate quantity are relatively safe)
Incomplete Cleaning the brushes and rollers can only clean so much. It
is impossible for any automatic car wash to clean every inch and tight spac