Fine Print Most cars. (6 cyl & 8 cyl extra) Includes: Replace spark plugs, replace air filter, drain radiator & refill, replace transmission fluid, rotate & inspect tires. Visually Inspect: Tire rod ends, steering gear box & boots, exhaust system, brake hoses & lines. With Valpak coupon only. Coupons may not be combined with any other offer. With Valpak® coupon only. Must present coupon at time of purchase. Coupon void if altered.