Tesla is sued by families who say faulty doors led to two deaths

PIEDMONT, Calif. — The parents of two college students killed in a car crash last year in California claimed in lawsuits filed Thursday that the design of the doors in the company’s Cybertruck pickup made it nearly impossible for their children to escape the burning vehicle.

The suits, filed in a California court by the families of Krysta Tsukahara, 19, and Jack Nelson, 20, underline long-standing questions about how the doors in many Teslas work, which is the focus of an investigation begun in September by federal auto safety regulators.

The lawsuits are another setback for the Cybertruck, which has sold poorly and been recalled eight times since last year.

Tesla pioneered car doors that open or shut with the push of a button. Several other automakers have imitated that design, usually