I'm ripping this off of a 2000' Camry"Foreword". I think it's for salesmens to updated themselves.
"OUTLINE OF NEW FEATURES"
- Four new exterior colors have been added, for a total of 10 colors.
-The design of the front and rear bumpers has been changed.
-The bumper and the radiator grille have been made separate, and the radiator grille is chrome-plated.
-The side protection molding has been increased in size. On the XLE grade model, chrome stripes have been adopted for the side protection molding.
-The 4-light multi-reflector type headlights are adopted with new styling.
-The design and styling of the rear combination light has been changed.
-The 16” aluminum alloy wheel and wheel cap has been added.
-The styling of the 15” full wheel cover has been changed.
-The seat cover of the LE grade model has been changed.
-Optional driver power seat added for the LE grade model.
-A check valve has been added to the power steering gear box to help reduce kickback
-The air inlet mode selector of heater control panel has been changed from the lever type to the push button type on the CE and LE grade model.
^That's my favorite change
There's more. It goes into details like how the driver airbag is lighter in the Gen 4.5 than the gen 4.