Chevrolet vehicles only. Excludes diesel engines. Additional oil is extra. Does not include tire balancing. Tax, shop and disposal fees may be extra. Some models may be higher. Must present coupon at time of write up. Coupons are not stackable with other coupons. Coupons can not be redeemed for cash value. Offer valid at Bob Howard Chevrolet only. No refund on prior purchases. See owner's manual for specific oil grades recommended by vehicle model. Call for details. Coupon code 202.