Toyota Lexusc Owner's Handbook Manual page 439

AUDIO
AM
Fading — AM broadcasts are reflected by the upper
atmosphere - especially at night. These reflected signals can
interfere with those received directly from the radio station,
causing the radio station to sound alternately strong and weak.
Station interference — When a reflected signal and a signal
received directly from a radio station are very nearly the same
frequency, they can interfere with each other, making it difficult
to hear the broadcast.
Static — AM is easily affected by external sources of electrical
noise, such as high tension power lines, lightening, or electrical
motors. This results in static.
Caring for your cassette player and tapes
For the best performance for your cassette player and tapes:
Clean the tape head and other parts regularly.
D A dirty tape head or tape path can decrease sound quality
and tangle your cassette tapes. The easiest way to clean
them is by using a cleaning tape.
recommended.)
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Use high-quality cassettes.
D Low-quality cassette tapes can cause many problems,
including poor sound, inconsistent playing speed, and
constant auto-reversing. They can also get stuck or tangled
in the cassette player.
D Do not use a cassette if it has been damaged or tangled or
if its label is peeling off.
D Do not leave a cassette in the player if you are not listening
to it, especially if it is hot outside.
D Store cassettes in their cases and out of direct sunlight.
D Avoid using cassettes with a total playing time longer than
100 minutes (50 minutes per side). The tape used in these
cassettes is thin and could get stuck or tangled in the
cassette player.
(A wet type is