Identification Numbers Record ! WARNING Indicates a potential hazard that could result in serious injury or death. 1. KEY IDENTIFICATION NUMBER: The key identification number is stamped on the key as shown in the illustration. Record this number in the space provided for reference if you ever need a new key. 2. VEHICLE IDENTIFICATION NUMBER: 3. ENGINE SERIAL NUMBER: Record the Vehicle Identification Number and Engine Serial Number in the spaces provided to assist you in ordering parts from your authorized Arctic Cat dealer or for reference in case this vehicle is stolen.