Promotional value expires 120 days after purchase. Amount paid never expires. Only valid for cars that have R134A Freon. Includes up to one lb of freon. Additional fee for internal diagnosis or part replacement. If freon leak is detected, recharge may be unavailable until issue is resolved. Limit 1 per person, may buy 1 additional as gift(s). All goods or services must be used by the same person. Merchant's standard cancellation policy applies (any fees not to exceed voucher price). Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.