How long should I wait to wash my car after coating application ? February 06, 2019 11:09 After the application of any ceramic coating, we recommend to not wash your vehicle for a minimum of 14 days. Related articles What should I avoid with a coated car ? How to maintain a Gyeon coated vehicle ? Can I use it as a top coat to another coating? What is the difference between a quartz coating and a wax? I can see high spots - why (and what to do) ?