Interface module

[dnav1102]

Have a 2013 Buick Verano base model - no bose system. Have the touch screen factory radio. Had pep boys install 4 alpine speakers in the doors and an alpine power pack on the head unit. everything working fine except for the fact that the door chimes, warning lamps and turn signals are now amplified and are extremely loud. on star is as well.

Was told that there is an interface module available that would take care of this issue. having a hard time finding the correct one. asking to please help and find the correct part

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