Toyota 2009 Avalon Owner's Manual page 445

Vehicle identification
The vehicle identification number (VIN) is the legal identifier for your
vehicle. This is the primary identification number for your Toyota. It is
used in registering the ownership of your vehicle.
Engine number
n
This number is stamped on the
top left of the instrument panel.
This number is also on the Certi-
fication Label.
The engine number is stamped
on the engine block as shown.
6-1. Specifications
423
6