Promotional value expires 120 days after purchase. Amount paid never expires.Disposal fee ($6.99) and special filters are extra. Rainbow (7235 S Rainbow Blvd): appointment required, book at nacvegas.com/groupon-oilchange. Azure, Clark, Fremont: walk-ins only, no appointment needed. Mon-Fri 8 AM to 5 PM. May be repurchased every 30 days. Not valid toward taxes or gratuity. Limit 1 per person.Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.Learn about Strike-Through Pricing and Savings