Federal regulators are investigating 23 recent accidents in which drivers were, or may have been, using the automatic steering and braking system.
The electric carmaker has struggled with quality issues as it has scaled from making tens of thousand cars a year to 500,000 in 2020.
The move, one of the most ambitious in the auto industry, is a piece of a broader plan by the company to become carbon neutral by 2040.
The company benefited from a jump in sales of electric cars in China and Europe, but its fourth quarter earnings fell short of Wall Street’s expectations.
Tesla’s transformation from a company that lost large sums of money every year has been made possible in large part by rising sales in China and Europe.
The pandemic dampened sales for all automakers in the spring and summer, and Tesla’s plant in Fremont, Calif., was idled from late March until the middle of May.
Rivian, which has raised another $2.65 billion, plans to sell a pickup truck and S.U.V. it has worked on for more than a decade.
Traditional automakers have struggled to sell electric cars. That could change as Ford, Volkswagen and others introduce new models.