From inside (document excerpt):
Form No. 3353-573 Rev A CCRTM 2450 GTSĀ® Snowthrower Model No. 38516–Serial No. 260010001 and Up Operator’s Manual Introduction Read this information carefully to learn how to operate and maintain your product properly and to avoid injury and product damage. You are responsible for operating the product properly and safely. You may contact Toro directly at www.Toro.com for product and accessory information, help finding a dealer, or to register your product. Whenever you need service, genuine Toro parts, or additional information, contact an Authorized Service Dealer or Toro Customer Service and have the model and serial numbers of your product ready.
Figure 1 identifies the location of the model and serial numbers on the product. Write the numbers in the space provided. Warning CALIFORNIA Proposition 65 Warning The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. This spark ignition system complies with Canadian ICES-002 The enclosed Engine Owner’s Manual is supplied for information regarding the US Environmental Protection Agency (EPA) and the California Emission Control Regulation of emission systems, maintenance, and warranty. Replacements may be ordered through the engine manufacturer. Safety This snowthrower meets or exceeds the B71.3 specifications of the American National Standards Institute in effect at the time of production. G001113 1 Figure 1 1. Model and serial number location Read and understand the contents of this manual before the engine is ever started. This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death. Improperly using or maintaining this snowthrower could result in injury or death. To reduce this potential, comply with the following safety instructions. The following instructions have been adapted from the ANSI/OPEI standard B71.3-2005 and the ISO 8437:1989 standard. This snowthrower is capable of amputating hands and feet and throwing objects. Failure to observe the following safety instructions could result in serious injury. Model No. Serial No. This manual identifies potential hazards and has safety messages identified by the safety alert symbol (Figure 2), which signals a hazard that may cause serious injury or death if you do not follow the recommended precautions.