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February 19, 2018 Service bulletin

This technical bulletin provides a procedure to update the radio with the latest calibrations to correct a...

GMC technical service bulletin 18NA051 for 2018 GMC Terrain, 2018 Cadillac CTS and 2018 Cadillac Ats and others.

Bulletin number
18NA051
Component
Equipment: electrical: radio/tape deck/cd etc.
Summary
This technical bulletin provides a procedure to update the radio with the latest calibrations to correct a condition of TTY Phone Feature Icon Missing from Radio Display Setting due to a software abnormality.

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