Acura – http://www.ServiceExpress.Honda.com 

Aston Martin - www.astonmartintechinfo.com/home

Audi – https://erwin.audiusa.com

Bentley – http://www.bentleytechinfo.com

BMW – http://www.bmwtechinfo.com

Chrysler/Dodge/Eagle/Jeep/Plymouth – http://www.techauthority.com 

Ferrari - www.ferraritechinfo.com

Ford/Lincoln/Mercury – http://www.motorcraftservice.com

General Motors –
Buick/Cadillac/Chevrolet/Geo/GMC/Hummer/Oldsmobile/Pontiac/Saturn –
http://www.gmtechinfo.com

Honda – http://www.ServiceExpress.Honda.com

Hyundai – http://www.hmaservice.com  or  http://www.hyundaitechinfo.com

Infiniti – http://www.infiniti-techinfo.com

Isuzu – http://www.isuzutechinfo.com  (no key code access)

Jaguar – http://www.jaguartechinfo.com

Kia – http://www.kiatechinfo.com

Land Rover – http://www.landrovertechinfo.com

Lexus – http://techinfo.lexus.com

Maserati - www.maseratitechinfo.com

Mazda – http://www.mazdatechinfo.com

Mercedes Benz – http://www.startekinfo.com

Mini – http://www.minitechinfo.com

Mitsubishi – http://www.mitsubishitechinfo.com

Nissan – http://www.nissan-techinfo.com

Porsche – https://techinfo2.porsche.com/PAGInfosystem/VFModuleManager?Type=GVOStart

Rolls Royce - http://www.rrtis.com

Saab – http://www.saabtechinfo.com

Smart - http://owners.smartusa.com/Subscription_Plans.aspx

Subaru – http://techinfo.subaru.com

Suzuki – http://suzukipitstopplus.com

Toyota – http://techinfo.toyota.com

Volkswagen – https://erwin.vw.com

Volvo – http://www.volvotechinfo.com