The first offense on Plano DWI includes penalties like 180 days in county jail and fine of up to $2,000 (if you get jail time), or up to 2 years of probation with a fine of up to $2,000 plus court costs.  If you are facing two or more DWI convictions, you will be considered by the courts to be having serious problem with alcohol and are a danger to others on the road. This will increase your charge from a Class A misdemeanor to a felony, the penalties are then substantially greater which includes mandatory jail time.  You can also be ordered by courts for drug rehabilitation.  There is a third-degree felony DWI if you have two or more prior DWI convictions or if you cause an accident that result in injuries, also known as “intoxication assault”.  Plano DUI incorporates the charges given to drivers under the age of twenty-one are subject to driving under the influence (DUI) of alcohol.