Voucher entitles the bearer to one free oil change (includes up to 5 quarts of multi-grade oil and new oil filter). Synthetic, synthetic blend oils extra. Diesel vehicles extra. Shop supply fee may be charged where permitted by law. Valid for 6 months from date of receipt. Customer pays all taxes. Most vehicles. Not valid with any other offer. Valid only in Logan Utah. Void if sold, copied or transferred and where prohibited by law.