Toyota Yaris Sedan 2008 Quick Reference Manual page 184

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