I preffer to wash as compared to cloth cleaning bro. Just cleaning without washing causes more scratches. But shampoo is only preffered if you want to wax the car after washing. Afterall shampoo is a chemical, harms surface and makes it dry. So no shampoo either on regular basis, except if polishing car. Best is to wax your car once a week and the rest of days you dont need to wash again. Just light dusting and wiping of cloth keeps your car clean for a few days once its waxed, unless it doesn't rain. Rain spots and marks also get avoided if it rains on a waxed surface. The hard stains of rain and water spots you observe after rain on your car dont come up if its waxed. This all is my experience and what i personally do to my cars. For tyres also using tyre wax (available in spray cans) keeps them black for a long time.
After washing car, for drying, use slightly damp "Chamos" or "3M" synthetic cloth to lightly wipe off water instead of ordinary cloth.
Best car waxes in order of their quality:
1. Meguair's (Rs.2800)
2. Sonax-extreme (Rs.1900)
3. Ma-fra (don't remember)
4. K2, hard wax (Rs.650, a good wax in low budget but difficult to use)
I personally don't like 3M because they attract dust. Most horrible wax i have ever experienced is Formula1 as it sucks dust from a mile away (though its good for a single step DIY after compound finish)
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