Need an ignition interlock device near South Williamsport? Intoxalock is available at Rick Kershner's Auto Repair, a certified Intoxalock ignition interlock installer. We can install your breathalyzer in cars, trucks, vans and other vehicles.At Rick Kershner's Auto Repair no job is too big or too small! We offer a full service facility and are PA State Emission and Safety Inspectors. In addition, we have been an Intoxalock ignition interlock installer since 2009.