The Grammy-winning artist posted "So long Tesla" to Instagram as a majority of Americans don't want Musk serving in Trump's government.

From Berkeley to San Jose, hundreds of protesters mobilized outside Tesla showrooms to denounce Musk and call for a boycott

The demonstration outside of Tesla, which is owned by Musk, was one of numerous nationwide Saturday. The protesters were speaking out against Musk’s position near the top of the Trump administration, from which he has sought to transform the scope and shape of the federal government, cutting staff heavily in certain departments.