This manual is published by TOYOTA, and are the same manuals the TOYOTA Mechanics/Technicians use. If you have further questions feel free to message us. Full of information and illustrations, covers EVERYTHING, step by stepInstructions, exploded illustrations and/or diagrams, great manual to have when you own A HIGHLANDER. We will provide you with the BEST POSSIBLE service because the POSITIVEFeedback and FIVE Stars are what we are striving for.