We are an authorized installer for Intoxalock Ignition Interlock! Intoxalock is a top-rated ignition interlock provider with affordable pricing and a reliable, high-quality, easy-to-use device. Our certified Intoxalock technicians install, service and remove these devices. The Intoxalock on-site calibration station kiosk makes serving the device fast and simple Let us help you get back on the road after a DUI with an ignition interlock device. 
If you need an ignition interlock device installed in your vehicle, call Intoxalock directly at (833) 918-1407 and mention that you’d like to install with us. They will set up your account and schedule your appointment.

815 Custom Auto  

309 S. Park Ave

South Beloit, IL 61080

(815) 668-8801​

 Products & Services 

  • Window Tinting

  • Paint Protection

  • Rust Protection

  • Detailing

  • Spray-on Bedliners

  • Headlight Restoration

  • Remote Start

  • Truck Bed Covers

  • Floor & Cargo Liners

  • Step Bars

815 Custom Auto  All rights reserved.