Is there a way to reset the CD player in 2005 Trailblazer if you have radio code?

To reset the CD player in a 2005 Trailblazer, follow these steps:

1. Turn on the radio.

2. Press and hold the "AM/FM" button until the display reads "CODE".

3. Enter the five-digit radio code using the preset buttons 1-6. The buttons for presets 1-6 will represent numbers 0-5. Example: To type the number "3" you would press the button preset3 3 times, then type the number "4" by pressing preset4 button 4 times and so on.

4. Press the "AM/FM" button again to confirm the code.

5. The CD player will now be reset.

You can find your radio code in your vehicle's owner's manual or by contacting the dealer.