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Testing & Verification
1. Turn the ignition on. The LED on the interface will turn on & the +12v accessory wire will turn on.
2. Turn on the radio & check balance & fade. Note: Premium Factory amplified Systems will not fade as neither the
aftermarket radio or the RP interface have the ability to control the amplifier's fader.
3. Verify that the factory subwoofer (if present) is playing
4. Verify that all SWC are functioning properly for both the aftermarket radio and OnStar. To adjust OnStar volume, press the
OnStar button on the mirror then use the volume buttons on the SWC to adjust the level. The volume will raise a total of 8
times before returning to the original level.
5. Pressing the OnStar® button on the rearview mirror will turn off the rear speakers and allow the OnStar® audio to be heard
in the two front speakers. The OnStar® active LED will also turn on. When OnStar® disconnects, the radio will un-mute or
turn back on and the OnStar® LED will turn off. Pressing the Mute/OnStar® button on the steering wheel for 1.5 seconds
will also activate Onstar®.
6. Turn off vehicle & remove key. RAP will be active & keep the radio on for 10 minutes or until the drivers door is opened.
7. The LED & radio will turn off when RAP turns off or the drivers door is opened.
8. Use the 4 position selector switch located on the side of the CMX module to select the best chime output volume for your
specific installation. Setting 1 being loudest and 4 softest.
Using Rear Seat Audio Controls
1. Press the power button to turn the RSE Controls on. When Radio is displayed on the RSE Controls, the aftermarket radios rear
speaker output will be heard through the headphone jacks. Putting the aftermarket radio into dual zone mode should change
the output level of the rear speakers to a fixed level. This allows precise user adjustment from the level knobs on the RSE
Controls (refer to aftermarket radio owners manual for model specific dual zone operation).
2. The seek arrows and PROG button will control the radio as programmed by the SWC interface. These buttons are mapped to
the SWC buttons as stated above.
3. Pressing the power button will turn the RSE Controls off as well as turning the key off. The seek arrows and PROG button will
continue to operate as stated (with the exception of SRCE which has no function) when the Rear Seat Controls are turned off.
Pacific Accessory Corporation
Using the Radios Dual Zone Source
Radio
Change between
Controls the
Factory XM tuner
Radio as
and Dual Zone
Programmed
Radio Source
by the SWC
interface (Mapped
to the Arrow
Up Button)
Pacific Accessory Corporation
| Ph. 866-931-8021 | support@pac-audio.com
®
©2016 Pacific Accessory Corporation
www.pac-audio.com
Radio Replacement & Steering Wheel Control Interface
with OnStar Retention for General Motors Vehicles
1
CMX
chime module
Turns the
Controls the
Controls the
Rear Seat
Radio as
Radio as
Controls On
Programmed
Programmed
or Off
by the SWC
by the SWC
interface (Mapped
interface (Mapped
to the Arrow
to the Arrow
Down Button)
and Bar Button)
RP5-GM32
2
Rev. 022516
Page 4
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