For Sale: Modern Code 3 2100 Matrix Tricolor Lightbar

Tricolor 2100 series Matrix lightbar 52" long. From the rear corners to the front the light-heads are all Red/Blue/White, the rear (6) light-heads are Red/Blue/Amber. Lightbar works, removed from agency's vehicle 2022. Date of build indicates 2018. I have PayPal, cashiers checks.
Priced reduced:
$850.00 Included S&H

 

[JB8654]

I have this same lightbar and I can't figure out how to get the cruise operation to function. I've tried the matrix software but can't seem to find the correct p/n for the lightbar. Any suggestions?