Please noted:

Due to the cd is 5.1 dts,if you playing with a cd player,so your cd player must be have the function of interpretation；

The ordinary cars cannot be used；

The following cars can be used for reference only：

For Porsche Cayenne/Macan/panamera/911

For Benz C/E/S/G/GL/GLK/R/M/CLS/ML/SL/SLK/

For Benz Class A AMG/CLA AMG/ CLS AMG/S AMG/GLA AMG/G AMG/ GL AMG/SL AMG/SLS AMG/ AMG GT...

For BMW 3/4/5/6/7/M4/M5/M6/X3/X4/X5/X6

For Audi A4L/A6/A6L/S6/S7/S8A8/Q5/SQ5/Q7/RS5/RS7

For Cadillac CTS/SLS/SRX/XTS/CT6

For Lexus LS/NX/GX/LX/RX/GS/IS/ES/RC F...