T147915 original car CD have two types,as the pictures instructed below:
Manual air conditioner(T147915 can not be used to this model with this kind of central control wheel.
Automatic air conditioner models,can be divided into two types:one model which have heated seat(T147915 now can be instalLED in this model which have automatic air conditioner)
Another model(Automatic air conditioner):which have heated seat (T147915 can not be installed in this model which have heated seat).