Tesla launched its own car insurance. These drivers say it’s a lemon.

In February, Mark Bova purchased a used 2018 Tesla Model S. Before leaving the dealer, he bought insurance from Tesla itself, finding the initial $93 monthly premium “really reasonable.”

Sixteen days later, as he drove along the Capital Beltway to his Maryland home, he engaged Autopilot, Tesla’s automated driving system. The car started beeping and lurched left — striking a median and flipping. He escaped through a window as the car filled with smoke. An ambulance…