Your code is supposed to come on a card that was given to you when you bought your car, but if you dont have it...

This worked on a 2004 with the CD/MP3 deck. I cannot verify that these codes will work in any other application. Others have reported success with these codes though.

1. Turn on CD Player
2. Enter the following codes one at a time until one works:

2253, 3116, 3451, 2152, 4362, 4316
4316, 4513, 4362, 1156, 2145, 1156
6451, 6361, 5624, 5241, 3346, 1165
3241, 4524, 5436, 5813, 3265, 5624
2453, 3462, 3251, 5445, 8253, 1156
2346, 4853, 6645, 5253, 1325, 4136
3116, 3221, 2151, 5312, 2654, 4314
6234, 4356, 1415, 1435

Mine unlocked on 2152.

JustAGuy