Chrysler 2004 Sebring Coupe - Manual (Page 216)

The direct signal from the broadcast station reaches the
antenna slightly before the reflected signal. This time
difference may cause some reception disturbance or
flutter.
This typically occurs in urban areas.
Cross modulation
If one listens to a weak station and is in the vicinity of
another strong station, both stations might be received
simultaneously.
FM stereo reception
Stereo reception requires a very high broadcast signal
quality. This means that disturbances mentioned previ-
ously become more marked and the reception range is
somewhat diminished during stereo reception.
Causes of disturbances
FM can be affected by electrical systems of vehicles in the
vicinity, especially those without electronic noise sup-
pression for the ignition system. The disturbance is even
greater if the station is weak or poorly tuned.
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216 FOR PLEASANT DRIVING