Our goal is to make your car purr so that it can roar when you want it to. Automotive Repair Certifications For three decades MSI Auto Inc. has been Marin County’s premiere independent auto repair facility specializing in Japanese, European and American cars. Located in San Rafael CA, our automotive repair shop employs factory trained, ASE certified technicians who uphold the highest level of service. We are Diamond Certified auto repair shop, AAA approved and a Gold Shield Smog station.