2012 Toyota Avalon Navigation Manual - Page 203

REAR VIEW MONITOR SYSTEM - Driving precautions In any of the following situations, there is a margin of error between the guide lines on the screen and the actual distance/course on the road. D When the grade behind the vehicle slopes down sharply, objects appear to be closer than they actually are. D When the grade behind the vehicle slopes up sharply, objects appear to be farther away than they actually are. 204