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Old 03-13-2026, 04:33 PM   #3
Mark R

 
Drives: 2018 ZL-1
Join Date: Jan 2018
Location: Albuquerque
Posts: 1,010
My ZL-1 did not have navigation. I took out the OnStar module from beneath the glove box. I followed the instructions on the forum. Not very difficult.

You will lose the compass. It just says "cal" I believe, meaning calibration, instead of N, S, etc. There is also a useless Nav button on the screen.

I still have Bluetooth.

I have no regrets.
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