2010 Toyota 4Runner Navigation Manual - Page 204

REAR VIEW MONITOR SYSTEM If a bright light (for example, sunlight reflected off the vehicle body) is picked up by the camera, the smear effect∗ peculiar to the camera may occur. ∗: Smear effect-A phenomenon that occurs when a bright light (for example, sunlight reflected off the vehicle body) is picked up by the camera; when transmitted by the camera, the light source appears to have a vertical streak above and below it. 205