Sorento wheel care

I live in notheast Ohio and deal with road grime,lots of brake dust,and salt residue from the snow.Automatic carwashes don't fully clean these wheels and the highpower pressure wash (do-it-yourself) bays can and will damage these wheels.I tried Eagle One A to Z wheel cleaner which claims to be safe for all wheels.But,this product contains 2 types of acid based ingredients which is a no-no for aluminum wheels with a clearcoat.Why this reputable company would claim that this product is safe for all wheels is beyond me.The calipers,discs,etc. are exposed like most vehicles with 4wheel disc brakes and they too are exposed to the same road grime and would probably rust quickly if not cleaned regularly.When this product was sprayed on the wheels it stained the calipers and now they look whitesh.The back wheel inner hubs? (looks like it covers the rear brakes) are spotted and I even saw a small rust spot.I could not believe what I was seeing so I then took the Sorento to the do-it-yourself power wash to try to rinse the wheels off again .I was very careful to not hit the center caps so the pressure wouldn't damage them .After drying the wheels off I then saw tiny chips around the Kia center caps on all 4 wheels.Don't know if the A to Z wheel cleaner ate away at the chrome edges around the center caps and the high power water finished it off or if it was just the water that did it?4000 MI. AND 6 MONTHS OLD! Except for this I love the Sorento.What cleans these wheels in winter? HEEELLLPPP!!!!!!!!!! 2005 Silver Sorento LX