3-31
1. Write down any three or four
-
digit number from
000 to 1999 and keep it in a safe place separate
from the vehicle.
2. Turn the ignition to ACCESSORY or RUN.
3. Turn the radio off.
4. Press the 1 and 4 buttons together. Hold them down
until
---
shows on the display. Next you will use the
secret code number which you have written down.
5. Press MN and 000 will appear on the display.
6. Press MN again to make the last two digits agree
with your code.
7. Press HR to make the first one or two digits agree
with your code.
8. Press AM
-
FM after you have confirmed that the
code matches the secret code you have written down.
The display will show REP to let you know that you
need to repeat Steps 5 through 7 to confirm your
secret code.
9. Press AM
-
FM and this time the display will show
SEC to let you know that your radio is secure.
The LED indicator by the volume control will begin
flashing when the ignition is turned off.
Unlocking the Theft
-
Deterrent Feature After a
Power Loss
Enter your secret code as follows; pause no more than
15 seconds between steps:
1. Turn the ignition on. LOC will appear on the display.
2. Press MN and 000 will appear on the display.
3. Press MN again to make the last two digits agree
with your code.
4. Press HR to make the first one or two digits agree
with your code.
5. Press AM
-
FM after you have confirmed that the
code matches the secret code you have written down.
The display will show SEC, indicating the radio is
now operable and secure.
If you enter the wrong code eight times, INOP will
appear on the display. You will have to wait an hour with
the ignition on before you can try again. When you try
again, you will only have three chances to enter the
correct code before INOP appears.
If you lose or forget your code, contact your dealer.
Summary of Contents for 2001 Sierra 1500 Pickup
Page 1: ......
Page 163: ...2 80 The Instrument Panel Your Information System ...
Page 332: ...5 26 Front Position 2WD 1500 Series Front Position All Other Models ...
Page 335: ...5 29 Front Position 2WD 1500 Series Front Position All Other Models ...
Page 418: ...6 76 ...
Page 432: ...Scheduled Maintenance Gasoline Engines 7 7 ...
Page 433: ...Scheduled Maintenance Gasoline Engines 7 8 ...
Page 454: ...7 29 Maintenance Record DATE ODOMETER READING SERVICED BY MAINTENANCE PERFORMED ...
Page 455: ...7 30 Maintenance Record DATE ODOMETER READING SERVICED BY MAINTENANCE PERFORMED ...