They deteriorate the whitewall surface. A self-service car wash in most cases provides whitewall cleaner and the proper wash pressure to clean the tires. Or, you can go to a full-service car wash where they will clean the whitewalls for you. Lately, my windshield smears when I run my wipers. Perhaps you haven't changed your wiper blades recently.
Most manufacturers recommend installing new blades every three months.
This will prevent wearing and smearing, which impairs your vision dangerously. A professional car wash offers safe, fast, high-quality washes at affordable prices.