Tesla is expected to send a software update that will fix a rear camera problem in 8,700 vehicles that could cause an accident, China's market regulator said Friday. The action involving 1,071 imported Model S and Model X and 7,629 China-produced Model 3 is described as a product recall under Chinese regulations, the regulator said. It was not immediately clear if drivers might need, or would be eligible, to return vehicles to Tesla for refunds.Some vehicles falling under the recall have unstable rear camer ...