A ceramic coating makes winter washing easier. It doesn't make it optional. Salt film comes off a coated panel with far less scrubbing, but it still has to come off, and how you wash the car decides how long the coating keeps doing its job.
Why salt is the thing to beat
Road salt is hygroscopic. It pulls moisture out of the air and holds it against whatever it's stuck to, so salt left on a car for weeks is a damp film sitting on the paint, the wheels and everything underneath. A ceramic coating keeps that salt from gripping the clear coat, and a wash lifts it off more easily. That only helps if the car actually gets washed, so through the salt months plan on washing more often than you do in summer. When Upstate Auto Detailing coats a car, we go over the wash routine for that car at pickup.
Pick the right kind of wash
Hand wash when you can. A pH-neutral shampoo, a clean mitt and a rinse first is still the safest way to clean a coated car. Rinse before you touch the paint so the mitt isn't dragging grit across it, and keep a separate mitt or brush for the wheels so brake dust doesn't end up on the doors.
Touchless when it's too cold. On a day when water would freeze on the panels in your driveway, a touchless automatic gets the salt off without anything touching the paint. Touchless washes lean on stronger chemicals to make up for the lack of contact, so treat them as the winter fallback, not the routine.
Skip the brush washes. Brush and cloth washes scratch a coating the same way they scratch bare paint, and they pick up grit from every car that went through before yours.
A winter hand wash, step by step
- Wait for a day above freezing, or use a heated self-serve bay, so water doesn't freeze on the glass and in the door seals.
- Rinse the whole car top to bottom, then the wheel wells and lower panels, where salt packs in thickest.
- Foam or pre-soak to loosen the salt film before anything touches the paint.
- Wash top down with a pH-neutral shampoo and a clean mitt, rinsing the mitt often.
- Do the wheels last, with their own brush or mitt.
- Rinse again and dry with clean microfiber. Dry the door jambs, the seals and around the fuel door so nothing freezes shut overnight.
A towel that's been dropped on the ground goes in the laundry, not back on the car. In winter that towel is carrying salt grit.
What a coating won't do in winter
The coating is on the paint. Salt also packs into the wheel wells and the underside of the car, and a coated hood does nothing for those, so rinse underneath whenever you get the chance. A coating won't stop stone chips from sand and gravel on the road either. That takes paint protection film on the front end.
Signs the coating needs a look
A healthy coating beads water. If water sits on the hood in flat sheets after a proper wash, or the paint feels rough under your fingertips right after washing, the protection may be worn or covered by contamination. That's worth having checked before more of the winter goes by. Our post on whether ceramic coating is worth it covers what a coating can and can't do.
If the car was coated recently, follow the wash timing you were given at pickup.
Common questions
Start here for the practical questions that come up most often.
Can I take a ceramic coated car through an automatic car wash?
A touchless wash is fine as a winter fallback when it's too cold to hand wash. Stay out of brush and cloth washes, which scratch a coating the same way they scratch paint.
How often should I wash a ceramic coated car in winter?
More often than in summer. Road salt holds moisture against the car, so it should come off regularly through the salt months instead of sitting for weeks.
What soap should I use on a ceramic coated car?
A pH-neutral car shampoo. Upstate Auto Detailing goes over the specifics for your car when you pick it up after a coating.
Thinking about coating your car before the salt goes down? Ask us for a free estimate or call (518) 363-6812, and we'll look at the paint before we quote anything.