PAC MCI-GM53 Quick Start Manual Download Page 3

Multi Camera Input Interface

for select General Motors Vehicles

Pacific Accessory Corporation

Page 3

Rev. V2

Date: 072419

MCI-GM53

Operation 

Accessing Camera Setup 

Press the gear icon in the top right corner to enter the camera setup 

menu (Fig. E). From here you can enable / disable MCI-GM53 functions 

(Fig. F).

1. Enable / Disable Front Camera Speedup Trigger (default setting

is disabled) -

 When enabled, will trigger front camera when exiting

reverse and turn off after 8 mph.

2. Enable / Disable Front Camera Slowdown Trigger (default

setting is disabled) -

 When enabled, it will activate front camera

when speed is reduced below 10 mph and steering wheel is turned

more than 15 degrees. (This prevents unwanted front camera

activation in stop and go traffic).

PLEASE NOTE: Enabling either front camera trigger will change

the top middle icon on the user interface from “Trailer” to

“Front” (Fig. E).

3. Enable / Disable Auto Blind Spot Side Cameras (default setting

is enabled) - 

When enabled, blind spot cameras will activate and

display on the screen when the turn signals are activated. To disable

these inputs simply press this icon.

4. Enable / Disable Dynamic Backup Curves (default setting is

enabled) - 

When enabled, the MCI-GM53 will overlay dynamic

backup guide lines over the reverse image (aftermarket cameras

only).

Fig. D

Accessing User Interface

Press and hold the “Home” button (Fig. D) for three seconds to enter the 

camera menu. Press OK to accept the terms and continue. Use the touch 

screen to select the desired view. Press the “HOME” button to return to 

the previous screen.

Fig. E

Accessing Trailer Camera (Input 3) when in 

Reverse

Once the vehicle is placed in reverse, and the reverse camera is visible, 

press and hold the “Home” button for three seconds (Fig. D) to access 

the User Interface, then select Trailer.

Installation Steps (Cont.)

14. Using the provided screws, secure the module to the mounting bracket.

15. Secure the mounting bracket into the dash cavity utilizing the two factory

7mm screws near the bottom of the dash opening (Fig. C)

16. If necessary, use the provided foam padding to insulate the module from

any rattles before securing inside the dash cavity.

17. Reconnect any leftover harnesses to the dash panel / screen assembly

and reinstall.

18. Test for proper operation of the MCI-GM53 following the operation section

below.

Fig. C

Fig. F

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