There are some vehicles that are NOT compatible with OBDCOM.
See the list below, and contact us if you have any questions.

Lexus LS430 is not compatible.  All other Lexus vehicles are ok.
Mazda 3, 6, and RX8   All other Mazda models are ok.
Mercedes vehicles are not compatible.
Porsche Cayenne  (All other Porsche models are ok)
Saab 9-3  (All other Saab models are ok)
1996 Toyotas are not compatible.  1997 and newer Toyotas are fine.
Toyota Prius is not compatible.
Volvo S40 is not compatible.
2005, 2006, 2007 Volvos are not compatible
Suzuki Forenza is not compatible (made by Daewoo)
All Isuzu vehicles are not compatible.
Hyundai  is not compatible.
Jaguar  is not compatible.
All American cars are not compatible, sorry.
Subaru WRX-STI, is not compatible, sorry.  Most newer WRX are also not compatible.

Most Audis and Volkswagens ARE COMPATIBLE BUT use different software than what you see on this site.  We will supply the special software and instructions for Audi and Volkswagen for free.  OBDCOM Works with the popular VAG-COM 311.2 software!  Please email us for details.  When you order, please be sure to type "Audi" or "VW" in the notes, to get the software CD and instructions included.

ALL 2008 and most 2007 vehicles are not compatible.
ALL vehicles for model year 1995, 1994, 1993, 1992, or older are NOT compatible.