Need an ignition interlock device near Williston? Intoxalock is available at Yipes! Auto Accessories, a certified Intoxalock ignition interlock installer. We can install your breathalyzer in cars, trucks, vans and other vehicles.Yipes! Auto Accessories has held the title as Vermont's premier source for car graphics and accessories for the last 25 years. In 2011 Yipes! began to install Intoxalock ignition interlocks as well as offering services in: remote starts, hands free systems, and gas saver technology.