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Buick TSB #21NA055
2020 Buick Encore GX
Affected Component: EQUIPMENT
Date Published
MAR 09, 2021
NHTSA TSB #
10191228
TSB Document
MC-10191228-9999.pdf
Summary
This service bulletin provides repair information to correct a customer concern of Volume Level Difference When Switching Between FM and Sirius XM Audio Sources.