What is the reason for the complete loss of sound in the Buick Regal?

1 Answers
McCayden
07/29/25 8:50pm
The reasons for the complete loss of sound in the Buick Regal are: an issue with the protocol box, which can be resolved by unplugging the navigation power; check if the flasher relay is damaged; inspect the battery ground wire and fuses; check the power current to see if it has triggered protection mode. Below is relevant information about the Buick Regal: In terms of power, it is equipped with a 1.5T engine with a maximum power of 125kW (170PS) and a peak torque of 252Nm. In terms of configuration: it comes standard with a 4.2-inch LCD instrument panel, while mid-to-high-end models also offer an 8-inch full-color trip computer display + dual-pointer combination mode, along with support for Baidu CarLife or Apple CarPlay.
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