Getting back on the road is fast and easy with RoadGuard Interlock. Begin your ignition interlock device installation, and our customer experience representatives will schedule your appointment for you at RoadGuard Interlock – Dave’s Pro Auto Service at the time you choose with a certified ignition interlock (car breathalyzer, BAIID, IID, interlock system) installer.

Contact RoadGuard Interlock – Dave’s Pro Auto Service in Williamsport directly for information on pricing and interlock installation appointment availability.

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Hours of Operation

  • Monday
  • 8:00 am - 5:00 pm
  • Tuesday
  • 8:00 am - 5:00 pm
  • Wednesday
  • 8:00 am - 5:00 pm
  • Thursday
  • 8:00 am - 5:00 pm
  • Friday
  • 8:00 am - 5:00 pm