Promotional value expires 180 days after purchase. Amount paid never expires. Appointment required, same day appointments accepted. Some vehicles may require additional fee due to installation requirements. Limit 2 per person, may buy 2 additional as gift(s). May be repurchased every 30 days. Valid only for option purchased. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services. Learn about Strike-Through Pricing and Savings