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Overview: The PAC OS-2C-CTS Radio Replacement Interface Module allows
the installation of an aftermarket radio into select Cadillac CTS and SRX vehicles
equipped with OnStar and a factory amplified audio system.
Note: You may use this interface even if the vehicle does not have
OnStar, but does have the factory amplified audio system.
Vehicle Compatibility: The PAC OS-2C-CTS Radio Replacement Interface
Module supports the following vehicles.
||Only vehicles without factory
installed navigation radios
Note: The OS-2C-CTS does not retain the factory XM receiver, you
will lose this option when the factory radio is replaced with an aftermarket
headunit. Due to the design of the factory amplified system, there
is currently no way of fading from the front to rear with an aftermarket
OnStar Compatible: The PAC interface module will maintain operation of
the OnStar and factory amplified audio system. OnStar audio will play through
the front speakers when active. Your vehicle's OnStar volume will not be
adjustable (preset at medium level).
Warning Chimes: The PAC OS-2C-CTS also retains all warning chimes and
vehicle rear parking assist chimes.
Steering Wheel Control Compatible (optional): The PAC OS-2C-CTS is
compatible with PAC's Steering Wheel Radio Control Interface (541SWIRC,
sold separately) for aftermarket radios.
Radio Replacement Interface Module (OS-2C-CTS):
- Width = 6.455"
- Height = 1.055"
- Depth = 2.475"
Chime Output Module (CM1):
- Width = 2.325"
- Height = 0.915"
- Depth = 0.925"