How to Wash a Ceramic-Coated Car Without Ruining It

Coating warranties get voided by wash technique more often than by product failure. The coating itself is doing its job — the problem is almost always an automatic tunnel with recycled grit in its brushes, or a well-meaning owner working in direct Texas sun.

Wash in the shade, on a cool panel, ideally early morning. A hot panel flashes the water and the soap before you can rinse, which is how coated cars end up with mineral spotting that owners mistake for coating failure.

Use two buckets with grit guards, a pH-neutral soap, and a clean microfiber wash mitt — never a sponge or a brush. Rinse the mitt in the plain-water bucket after every panel. Work top down, and do the rocker panels and lower bumper last so you are not dragging road grime across the hood.

Dry with a large plush drying towel laid flat and drawn across the panel, or better, a filtered blower. The coating makes the water sheet off, so most of the car will dry itself if you rinse with an open hose at low pressure as a final step.

Every three to four months, use a coating-safe topper spray after washing. It refreshes the hydrophobic layer and costs about fifteen dollars. And bring the car back to us annually for the warranty inspection — it is included, it takes about forty minutes, and it is when we catch things like a lifting film edge while they are still a five-minute fix.

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