Pontiac 1997 Bonneville Owner's Manual page 160

CD Adapter Kits
It is possible to use a
CD adapter kit with your cassette
tape player after activating the bypass feature on your
tape player.
To activate the bypass feature, the ignition must be on.
Turn your radio off. Press TAPEPLAY and hold for
three seconds. After three seconds, the tape symbol in
the display will flash for two seconds indicating the
feature is active. Turn the radio on and insert
the adapter.
This override feature will remain active until EJECT
is pressed.
AM-FM Stereo with Compact Disc Player
(If Equipped)
Your vehicle may be equipped with a Bose speaker
system and an amplifier. Please see your dealer
for details.
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