www.arizonaduilaw.com - After being convicted of DUI, Arizona law requires that you have an ignition interlock device installed and used in your vehicle. Even if you would rather abstain from driving than install an ignition interlock device in your car, Phoenix & Tempe Attorney Mark Weignart recommends you install the device in your car because you never know when you will need to use it. For more DUI defense related information, visit www.arizonaduilaw.com.