X300M is a kind of special mileage correction tool released recently by obdstar company.
And now we met a problem which sent by our customer who told that he dont know how to get
the security code and his car is 2007 Cadillac STS.
Here is the screenshot from our customer
For this problem, factory engineer provide a solution .
Update the software to the newest version on official site.
The newest version dont need the security code
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