Are you on probation for the DWI 2nd? There is a requirement of having the interlock device for at least one half of the probationary period if the defendant blew a 0.15 (as shown at trial or through a plea bargain.) (Even if first DWI was over 10 years ago. Tex. Code. Crim. Pro. Art. 42.12 Sec. 13) Is this a provision of an Occupational Driver's License which allowed you to drive under certain times and conditions while your license was suspended? If so, you may be entitled to have the devise removed. If you are on probation, you will need to ask the court to order its removal. Consult with an experienced criminal defense attorney about how to handle your case.
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Have an attorney confirm your DL status and the status of any possible court order that may be lingering that affect your driving limitations. You could have a DL restriction or court ordered limitation even though you are not suspended.
Also, do not count on the accuracy or your ability to interpret what is on the DPS website. I have found mistakes on almost every client I have looked at the website compared to actual records. It is not reliable.
Get a lawyer who knows DWI and DL issues.