Discount for a full range of services: Offer a percentage discount (e.g., 15% or 20%) on a full-service car wash that includes body wash, interior cleaning, and polishing.
Offer a discount card for regular customers: Introduce a loyalty program where every fifth visit to the car wash gives you a discount of, for example, 10%.
Promotion for new customers: Introduce a special offer for new customers who have not yet used your services, such as a 25% discount on their first visit.
Discount day or promotional day: Hold a special promotional offer on a certain day of the week when customers can get, for example, a 15% discount on any service.