Promotional value expires 90 days after purchase. Amount paid never expires. Limit 1 per person, may buy 1 additional as a gift. Valid only for option purchased. All goods or services must be used by the same person. Appointment required. Valid for up to 5 litres of conventional oil. May be repurchased every 30 days. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services. Learn about Strike-Through Pricing and Savings