PAC OS2GM32X Onstar Interface for '00-'05 Cadillac to add aftermarket stereo

Plug and Play Interface
Allows Replacement of a GM Class II factory stereo
Maintain operation of the OnStar system, Bose amplifier and speakers
Allows Audio from the OnStar system to play through the two front factory speakers when OnStar is active.
Retains Vehicle Parking Assist chimes
Retains warning chimes
'00 - '02 Eldorado
'00 - 05 Deville/Seville