Exempts small trailer manufacturers from enhanced early warning reporting requirements under the Transportation Recall Enhancement, Accountability, and Documentation Act and specified Federal regulations, which require manufacturers that produce, import, offer for sale, or sell 500 or more vehicles per year to provide the National Highway Traffic Safety Administration with: (1) production information; (2) information on incidents involving death or injury; (3) numbers of property damage claims, consumer complaints, warranty claims, and field reports; and (4) copies of field reports. Applies this exemption to manufacturers of trailers with a gross vehicle weight of 26,000 pounds or less.