If you accumulate multiple DWI convictions, after how many offenses must you have an ignition interlock device installed in your vehicle?

An ignition interlock device must be installed in your vehicle after two or more DWI offenses. This requirement is part of Missouri's efforts to reduce drunk driving incidents and enhance road safety. The device works by requiring the driver to provide a breath sample before starting the vehicle, ensuring that individuals with multiple offenses do not operate their vehicle while under the influence.

Installing the ignition interlock after two DWI offenses reflects the state's understanding that repeated offenses indicate a higher risk of reoffending. This policy is designed to prevent further incidents and aid in rehabilitation, while also protecting the public.

The other options do not align with Missouri’s legal standards regarding DWI offenses and the necessity of an ignition interlock device. For instance, stating that the device is required after just one offense would not accurately reflect the complexities involved with DWI repeat offenses and the state's intended measures for public safety. Similarly, after three offenses or even after any offense lacks the nuance that designates the requirement specifically after the second DWI offense.