Theft-Deterrent Feature - GMC Envoy Owner's Manual

P (Power): Press this button to turn the system on or
off. The rear speakers will be muted when the power
is turned on unless you have a Bose
u (Volume): Turn this knob to increase or to
decrease the volume. The left volume knob controls the
left headphones and the right volume knob controls
the right headphones.
SRCE (Source): Press this button to select a source:
radio, cassette tape, CD, or DVD. The inactive tape, CD,
or DVD will remain safely inside the radio for future
listening.
SEEK: Press this button to go to the next station and
stay there. The display will show the selection. This
function is inactive if the front seat passengers are
listening to the radio.
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equipped vehicle.
To scan preset stations, press and hold the SEEK
button. The radio will go to a preset station, play for a
few seconds, then go the next preset station. The
display will show the selections. This function is inactive
if the front seat passengers are listening to the radio.
When a cassette tape is playing, press the SEEK button
to go to the next selection on the tape. Press and
hold the SEEK button to go to the other side of the tape.
This function is inactive if the front seat passengers
are listening to a cassette tape.
When a CD is playing, press the SEEK button to go to
the next track on the CD. This function is inactive if
the front seat passengers are listening to a CD.
When a CD is playing in the six-disc CD player, press and
hold the SEEK button for 2 seconds to go you to the next
CD, if multiple CDs are loaded. This function is inactive if
the front seat passengers are listening to a CD.

Theft-Deterrent Feature

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THEFTLOCK is designed to discourage theft of your
vehicle's radio. The feature works automatically by
learning a portion of the Vehicle Identification
Number (VIN). If the radio is moved to a different vehicle,
it will not operate and LOCKED will appear on the display.
When the radio and vehicle are turned off, the blinking
red light indicates that THEFTLOCK
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With THEFTLOCK activated, the radio will not operate
if stolen.
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is armed.
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