2008 Toyota Yaris Owners Manual - Page 587

3-2. Using the audio system n When the battery is disconnected Stations presets are erased. n Reception sensitivity l Maintaining perfect radio reception at all times is difficult due to the continually changing position of the antenna, differences in signal strength and surrounding objects, such as trains, transmitters, etc. l The radio antenna is mounted inside the rear window. To maintain clear radio reception, do not attach metallic window tinting or other metallic objects to the antenna wire mounted inside the rear window. 170