Need an ignition interlock device near Sergeant Bluff? Intoxalock is available at Pioneer Auto, a certified Intoxalock ignition interlock installer. We can install your breathalyzer in cars, trucks, vans and other vehicles.Pioneer Auto is one of our local Intoxalock certified service centers with convenient hours, prices and services near you. As a certified Intoxalock provider, you can count on reliable, quality service. Pioneer Auto was established in Sergeant Bluff, Iowa in 1994. Since then they have been serving the western Iowa area with quality tires and reliable repairs. They are located on Gaul Drive next to Dollar General. They offer quick and easy Intoxalock ignition interlock installation and deinstallation for your convenience. Call to schedule an appointment to get your device installed, hassle free.