In this Saturday, June 24, 2017, photo, a Tesla car recharges at a charging station at Cochran Commons shopping center in Charlotte, N.C. On Monday, July 3, 2017, Tesla CEO Elon Musk sent out a tweet saying that the company anticipates reaching production of 20,000 Model 3 cars per month in December. That figure is less than previous estimates. Tesla's shares are shaping up to possibly have their worst week of the year so far as lower-than-expected production, increased competition and a review from an industry group weigh on the electric carmaker. AP/Chuck Burton

In this March 31, 2016, file photo, Tesla Motors Inc. CEO Elon Musk speaks at the unveiling of the Model 3 at the Tesla Motors design studio in Hawthorne, Calif. Electric car maker Tesla said on Monday, July 3, 2017, that its Model 3 car will go on sale on Friday. Electric automaker Tesla has produced its first Model 3 sedan, a highly anticipated car because it carries a relatively low sticker price. AP/Justin Pritchard

First production model of Tesla Model 3 out the assembly line in Fremont, California , U.S. is seen in this undated handout photo from Tesla Motors obtained by Reuters July 10, 2017. CEO Elon Musk late Saturday tweeted pictures of the car, which will cost $35,000 and can travel 215 miles on a single electric charge. A $7,500 federal tax credit for electric vehicles would lower the cost to $27,500. Tesla Motors/Handout via REUTERS

In this March 31, 2016, file photo, Tesla Motors unveils the new lower-priced Model 3 sedan at the Tesla Motors design studio in Hawthorne, Calif. Electric car maker Tesla said on Monday, July 3, 2017, that its Model 3 car will go on sale on Friday. Musk earlier had said Tesla would make 10,000 Model 3s per week by December. Musk also has said the Palo Alto, California-based company will hold a party to hand over the first 30 Model 3s to customers on July 28. Tesla expects to produce 100 cars in August and more than 1,500 in September, Musk tweeted earlier. AP/Justin Pritchard

Tesla CEO Elon Musk talks about the development of the worlds biggest lithium-ion battery in Adelaide, Australia, Friday, July 7, 2017. Shares fell roughly 14 percent after Musk tweeted that deliveries of the company's other two models the Model S sedan and Model X SUV were at the low-end of the company's projections in the first half of this year. Musk also said the company would make 20,000 Model 3s in December, below previous estimates. Ben Macmahon/AAP Image via AP

A prototype of the Tesla Model 3 is on display in front of the factory during a media tour of the Tesla Gigafactory which will produce batteries for the electric carmaker in Sparks, Nevada, U.S. July 26, 2016. While second-quarter deliveries rose 53 percent from a year ago, they still were about 12 percent below first-quarter deliveries. Tesla said in a statement that second-quarter production was hampered by a severe shortfall of battery packs. Production averaged 40 percent less than demand until early June, the company said. REUTERS/James Glover II/File Photo