An aging product lineup and backlash against Elon Musk’s political initiatives are likely key factors for the decline,” the dealers association said.

The slip means Tesla no longer accounts for a majority of the EV market share in the state, according to the California New Car Dealers Association.

Californians further soured on Tesla in the first quarter, pulling down the electric-vehicle maker's registrations by 15% as backlash against Elon Musk's company intensified in the state that has embraced EVs most across the United States.