37owner's manualOwner registrationFill out and return your owner registration cardimmediately so that you may receiveimportant product information in the future.Thank you.Your A2B and certain key components have unique serial numbers.Record these serial numbers for warranty purposes or in case yourvehicle is ever lost or stolen.Vehicle serial number is located on the right side of the steering tube:Vehicle serial number:Motor serial number is engraved to the left side of the motor hub:Motor serial number:Battery number is located on the end cover of the battery.Battery serial number:Record this other important information:Date of purchase:Selling dealer:Street address:City / State / Zip:Telephone:Sales person:Please keep this information in a safe place for future reference.To fully protect your A2B against theft, buy a high quality bicycle lock and chain. Secure your A2B to a stationary object every time it is leftunattended and also lock your front and rear wheel and motor to the frame.