Theft-Deterrent Feature 
THEFTLOCK@ is designed to  discourage theft  of your 
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 be displayed. 
When  the  radio and vehicle are turned 
off, the blinking 
red  light  indicates that  THEFTLOCK@  is armed. 
With  THEFTLOCK@  activated, your radio will not operate 
if stolen. 
Audio Steering  Wheel Controls 
You can control certain radio functions using the buttons 
on  your steering  wheel. 
((17 (OnStarNoice  Recognition):  If your vehicle  has 
Onstar@,  you  can press this  button  to interact with 
the  Onstar@  system.  See  the Onstar@ manual provided 
with your vehicle  for  more information. 
IF  your  vehicle  does  not  have  Onstar@, pressing  this 
button will  mute the audio system. 
PROG  (Program):  Press this  button to play  a station 
you  have  programmed  on  the  radio preset pushbuttons 
on  the selected  band. 
If a cassette tape  is playing, 
press this  button to  play  the other side  of the  tape.  If  a 
CD is playing, press this  button  to go  to the  next 
available 
CD. 
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