Fine Print Oil Change Coupon good at Honest-1 Auto Care in Cottage Grove, MN. Most vehicles. More than 5 quarts of motor oil, some filters, hazardous material disposal, shop supplies, taxes and full synthetic oil are extra. Add $14.99 for Tire Rotation. Upgrade to full synthetic oil for an additional $39.99. Coupon cannot be combined with any other coupon or specials. Coupon void if altered.