Intoxalock Ignition Interlock

Intoxalock Ignition Interlock on Preston Road in Frisco is a service location for court-ordered breathalyzer interlock devices, handling installation and calibration rather than general car repair. Reviews are mixed at 3.8 stars across 9 Google reviews. Some customers describe personable staff and very short in-and-out visits, while others report long phone hold times with the company, unclear instructions and frustration with false readings from the device. It is open daily, 9 AM to 7 PM Monday through Saturday and 10 AM to 6 PM Sunday, with a wheelchair-accessible entrance and parking.