How to Unlock your Locked GM Theftlock Radio

Table of contents:

How to Unlock your Locked GM Theftlock Radio
How to Unlock your Locked GM Theftlock Radio
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If you own a late 1990s or early 2000s General Motors (GM) vehicle made by Cadillac, Chevrolet, GMC, or Pontiac, your stock radio will "freeze" if you disconnect the battery. In this case you will need to enter a code into the radio to be able to use it again after reconnecting the car battery, but in most workshops they will charge you a lot of money to get the code for you. You can get the code for free and start listening to your favorite music again in minutes!

Steps

Unlock Your Locked GM Theftlock Radio Step 1
Unlock Your Locked GM Theftlock Radio Step 1

Step 1. After reconnecting the battery, turn on the vehicle normally

Unlock Your Locked GM Theftlock Radio Step 2
Unlock Your Locked GM Theftlock Radio Step 2

Step 2. "LOC" or "LOCKED" will appear on the radio screen, indicating the Theftlock function is active and your car radio is locked

Unlock Your Locked GM Theftlock Radio Step 3
Unlock Your Locked GM Theftlock Radio Step 3

Step 3. Get a notepad

Press and keep holding keys 1 and 2 for about 5-10 seconds, until three numbers appear on the radio screen. Write down these numbers: they are the first 3 digits of the identification code of your radio.

Unlock Your Locked GM Theftlock Radio Step 4
Unlock Your Locked GM Theftlock Radio Step 4

Step 4. After writing the first 3 digits of the identification code of your radio, immediately press the AM / FM button, to make another 3 numbers appear

These are the last 3 numbers of your radio identification code: write these down too.

Unlock Your Locked GM Theftlock Radio Step 5
Unlock Your Locked GM Theftlock Radio Step 5

Step 5. From any phone, call # 800 # -537-5140

An automatic line answers, so you don't need to speak to any operator.

Unlock Your Locked GM Theftlock Radio Step 6
Unlock Your Locked GM Theftlock Radio Step 6

Step 6. After the recorded voice prompts you to press 2 for Pontiacs, dial 206010 and press the pound key (#)

Unlock Your Locked GM Theftlock Radio Step 7
Unlock Your Locked GM Theftlock Radio Step 7

Step 7. Enter the 6-digit identification code of the radio you pinned to yourself, then press the asterisk (*) key

Unlock Your Locked GM Theftlock Radio Step 8
Unlock Your Locked GM Theftlock Radio Step 8

Step 8. The automated voice will give you 4 digits which you will need to enter into your radio

Enter these numbers and hang up the phone.

Unlock Your Locked GM Theftlock Radio Step 9
Unlock Your Locked GM Theftlock Radio Step 9

Step 9. Now go back into the car, and press the button to set the clock hours to enter the first two digits

Once you have selected the correct numbers, press the button to set the minutes to complete the unlock code with the remaining 2 digits.

Unlock Your Locked GM Theftlock Radio Step 10
Unlock Your Locked GM Theftlock Radio Step 10

Step 10. Once you have entered both pairs of numbers, press the AM / FM button on the radio

Unlock Your Locked GM Theftlock Radio Step 11
Unlock Your Locked GM Theftlock Radio Step 11

Step 11. On the radio screen you should now see "SEC", indicating that you have successfully completed the unlock procedure

Turn on the car radio as normal and it should work as usual again.

Advice

  • You can find the latest codes on the internet. Search for "GM Dealer Code" on Google and you can get a random code.
  • Don't worry if you can't enter the correct code right away, it may take multiple tries.

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