Before using a third-party "generator," try these official and free avenues: Owner’s Manual:

Once you have retrieved your code from a generator, follow these steps: Turn on the ignition and the radio. The screen should show CODE or 0000 . Press repeatedly until the first digit is correct. Repeat with Buttons 2, 3, and 4 for the remaining digits.

Most generators are third-party apps or websites that use mathematical algorithms to "guess" your unlock code based on the unit's .