Me a show cause hearing. What does this mean?
When you were sentenced on the DUI charge the Judge told you not to do certain things, mainly no criminal offense, no driving without a valid license or suspended and to have insurance. However, any traffic offense could be viewed as a violation of the DUI case so you need to hire an attorney to help you though the court system.
It is probably a type of probation violation hearing. Different courts use different terminology, but I would guess that's what that is. Typical DUI probation is 5 years, and depending on the judge they sometimes consider traffic infractions to be probation violations.
You can call the clerk's office and they can explain what the hearing is, or call a local lawyer and ask them to look in to it for you.
