STMV1/STMV1-H
GPS Adapter can only support OEM equipment and will not be able to support non-OEM product. OEM_VS_Non-OEM_Control_Unit Please send us old and new steering wheel photos to info@gpsadapter.us before ordering so we can help confirm which adapter and parts are needed. This STMV1/STMV1-H adapter (wire harness with computer controller) will allow you to use a newer model or generation steering wheel that also has Multifunction or Heated in your older cars like:997, 987, 991.1, 981, 970, 958.1 Newer model or generation wheels you can now use are: 991.2 or similar style like Macan or Cayenne Steering - 95B, 958.2, 991.2, 718 Support Vehicle Model: Carrera 911.1 (2005-2016) Cayman 981C (2009-2016) Boxster 981 (2009-2016) Cayenne 958.1 (2011-2015) Panamera 970.1 (2010-2016) STMV1/STMV1-H cannot support the MODE SWITCH knob to change the drive mode. If you need to add MODE SWITCH control support to 991.1/981/958.1, please select Adapter-X