General Info

About Intoxalock at Garrett's Automotive and Wrecker Service Garrett's Automotive and Wrecker Service located in Shelbyville, TN is an authorized Intoxalock installer dedicated to providing simple, reliable and affordable ignition interlock services. Intoxalock is the #1 ignition interlock brand in the country, thanks to our easy-to-use IIDs. We are a state-approved interlock/car breathalyzer provider, and our state specialists provide 24/7 support and help guide you through the installation, calibration, and removal of your IID.Our qualified service center technicians at Garrett's Automotive and Wrecker Service will install your ignition interlock device and show you how it works. Youll return to your Intoxalock location regularly for calibration, so weve made it easy to find one near you. With 5,000+ locations, Intoxalock has more service centers within 10 minutes of customers than any other provider. Visit us at Garrett's Automotive and Wrecker Service and get back on the road fast!Driving Directions Garrett's Automotive and Wrecker Service is located on Highway 41A N. You can head US-41A S/US-41 ALT