alpine 9815 and steering wheel controls

[orlmailman]

I am installing the 9815 in a 95 lincoln towncar is there a way to keep the steering wheel controls so they will work the new head unit also the factory radio keeps playing after you turn off the car it plays until you open a door any way to keep this feature

[ss3079]

http://www.crutchfield.com/cgi-bin/S...=0&cc=01&avf=N

- Steve