Oldsmobile 2001 Alero - Manual (Page 167)

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NOTICE:
Do not try to clear frost or other material from
the inside of the rear window with a razor blade
or anything else that is sharp. This may damage
the rear defogger grid and affect your radio’s
ability to pick up stations clearly. The repairs
wouldn’t be covered by your warranty.
Because this antenna is built into your rear window,
there is a reduced risk of damage caused by car washes
and vandals.
If you choose to add a cellular telephone to your vehicle,
and the antenna needs to be attached to the glass, be sure
that you do not damage the grid lines for the AM
- FM
antenna. There is enough space between the lines to
attach a cellular telephone antenna without interfering
with radio reception.
Chime Level Adjustment
The radio is the vehicle chime producer. The chime is
produced from the driver’s side front door speakers.
To change the volume level, press and hold pushbutton
six with the ignition on and the radio power off.
The chime volume level will change from the normal
level to loud, and LOUD will be displayed on the radio.
To change back to the default or normal setting, press
and hold the pushbutton six again. The chime level will
change from the loud level to normal, and NORMAL
will be displayed. Each time the chime volume is
changed, three chimes will sound as an example of the
new volume selected. Chime level adjustment is only
available on RDS radios. Removing the radio and not
replacing it with a factory radio or chime module will
disable vehicle chimes.