1994 GMC Safari Owner's Manual - Page 152

8. Press BAND and 000 will appear again. Nowyou are ready to enter the last three digits of your code. 9. Repeat steps 6 and 7 for the last three digits of your code. 10. Press BAND and rEP will appear for 5 seconds and then000 will appear. 11. Repeat steps 6 through 10. This time SEC will appear-indicating that the radio is secure. To Unlock The System After Power Loss A When battery power is reapplied a secured radio, the to radio won't turn on and LOC will appear on the display. Enter your secret code as follows: pause no more than 15 seconds between steps. 1. Turn the ignition on. (Radio off.) 2. Depress the SET button. The display will show 000. 3. Enter the six digits of the code following steps 6-9 above. The display will show the numbers entered. as 4. Depress the BAND knob and thetime appears - indicating that the disabling sequence was successful.If the display indicatesSEC, the numbers did not match and the unit still secured. is Disabling The Theft System 1. Depress presets 1 and 4 for 5 seconds with ignitionon and radio power off. The display will showSEC, indicating the unitis in the secure mode. 2. Depress the SET button. The display will show 000. 3. Enter the first three digits of the code following steps 6 and 7 of the preceding paragraphs. The display will show the numbers as entered. 4. Depress the BAND knob. The radio will display 000. 5. Enter the second three digitsof the code. The display will show the numbers as entered. 6. Depress the BAND knob. If the display shows the disabling sequence was successful.The numbers matched the user-selectedcode or thefactory back-up code, and the unitis in the UNSECURED mode. If the display showsSEC, the disabling sequence was unsuccessful and the numbers did not match either of the codes and the unit will remain in the SECURED mode. 3-24