GMC 2001 Envoy - Manual (Page 188)

3-20
CD Adapter Kits
It is possible to use a portable CD player adapter kit
with your cassette tape player after activating the bypass
feature on your tape player.
To activate the bypass feature, use the following steps:
1. Turn the ignition to RUN or ACCESSORY.
2. Turn the radio off.
3. Press and hold the TAPE AUX button for five
seconds. The tape symbol on the display will flash
for two seconds, indicating the feature is active.
4. Insert the adapter into the cassette slot. It will
power up the radio and begin playing.
This override routine will remain active until EJECT
is pressed.
AM-FM Stereo with Cassette Tape Player
(Bose
R
) (If Equipped)
Included with the AM - FM Stereo with Cassette Tape
Player are six Bose
R
high performance speakers and a six
channel Bose amplifier. Please see your dealer for details.
Playing the Radio
PWR - VOL: Press this knob to turn the system on
and off. To increase volume, turn the knob clockwise.
Turn it counterclockwise to decrease volume. The knob
is capable of being turned continuously.